How to install sophos antivirus for linux in ubuntu

Meaning of Sophos Av?

Sophos Av is the error name that contains the details of the error, including why it occurred, which system component or application malfunctioned to cause this error along with some other information. The numerical code in the error name contains data that can be deciphered by the manufacturer of the component or application that malfunctioned. The error using this code may occur in many different locations within the system, so even though it carries some details in its name, it is still difficult for a user to pinpoint and fix the error cause without specific technical knowledge or appropriate software.

Getting Started- Part 1 -Installation

(Click on each title to open the installation articles) 

I want to protect additional computers with Sophos Home

To protect additional Mac and Windows computers, please follow these steps:Protecting additional computers with Sophos Home

I have installed Sophos Home -What are my next steps?

Upon installation, Sophos Home will automatically start scanning the computer to ensure it is safe (users should restart their machines after the installation and initial scan finish). Once the scan completes and the computer has been restarted,  no further action is required, Sophos Home Real Time Protection ensures files are analyzed as they are accessed/downloaded, and its auto-update feature will keep the antivirus protection up-to-date.We recommend creating a Sophos Home account to be able to access support (Premium and Trial), protect additional computers and manage them via the same dashboard, re-protect systems. 

Enabling Multi-factor authentication (2fa)

MFA can help further securing your Sophos Home account. Find more information and setup steps here: MFA — How to enable Multi-Factor authentication

Locating and using Sophos Home 

Sophos Home user interface can be launched via the Sophos Home shield and provides access to several dashboard settings, running local scans , checking for updates and more! Watch the below videos for additional details.

Mac: Click on the Sophos Home Shield located in the Mac menu bar to open the Sophos Home UI

Windows: Double Click the Sophos Home shield in the system tray to open the Sophos Home UI 

Understanding the protection installed on the computer

Sophos Home has a layered approach to security, its features include Real Time Protection, artificial intelligence, exploit protection, ransomware detection, home banking protection, etc…To see a list of all the available features please see Sophos Home features and/or visit our home pageFor additional information, visit our security center

A Good Choice for the Right User

If you’re enough of a techie to comprehend its range of features, Sophos Home Premium lets you install and remotely manage Sophos protection on up to 10 PCs or Macs. It earns great scores in our hands-on tests, and in tests from the independent labs that included it. In addition, it advanced features such as keylogger defense, ransomware protection, and exploit mitigation.

Sophos Home Premium is a good antivirus for the right user, but we’ve identified several Editors’ Choice antivirus products that suit just about any user. Bitdefender Antivirus Plus and Kaspersky Anti-Virus consistently get excellent scores with the independent labs. McAfee AntiVirus Plus doesn’t score as high, but if offers unlimited cross-platform licenses, not just for Windows and macOS but for Android and iOS as well. Finally, Webroot SecureAnywhere AntiVirus packs unique and powerful behavior-based detection in a tiny package.

Sophos Home Premium

4.0

Pros

  • Excellent scores in our hands-on tests and independent lab tests.
  • Protects against ransomware, keyloggers, and exploits.
  • Remote management for up to 10 PCs or Macs.
  • Inexpensive.

View More

The Bottom Line

Sophos Home Premium expands on basic antivirus with protection forged in the company’s Enterprise-level products. The results are excellent, though some features may be too complex for some users.

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Causes of Sophos Av?

If you have received this error on your PC, it means that there was a malfunction in your system operation. Common reasons include incorrect or failed installation or uninstallation of software that may have left invalid entries in your Windows registry, consequences of a virus or malware attack, improper system shutdown due to a power failure or another factor, someone with little technical knowledge accidentally deleting a necessary system file or registry entry, as well as a number of other causes. The immediate cause of the «Sophos Av» error is a failure to correctly run one of its normal operations by a system or application component.

Antivirus detection

Neither of the independent antivirus testing labs whose results we normally rely on, AV-Test (in Germany) and AV-Comparatives (in Austria), had tested Sophos’ Mac malware detection in their most recent surveys of Mac antivirus software at the time of this review.

However, AV-Test did test Sophos twice in 2017. In the October-November round from that year, Sophos stopped 100% of Mac malware; in the April-May tests, it stopped 98.4%. Bitdefender, Kaspersky and Norton’s Mac malware engines each got perfect 100% detection rates in both those rounds.

All three of those rival brands, plus Avast, also got 100% scores in both AV-Test’s April-May 2019 Mac evaluations. Avast, Bitdefender and Kaspersky got 100% in AV-Comparatives’ June 2019 Mac tests, in which Norton was not tested. (All those companies also make some of the best Android antivirus apps.)

The two other antivirus brands whose Mac programs we recently reviewed, Malwarebytes and McAfee, have not had their Mac-malware detection abilities recently evaluated by either independent lab.

Troubleshooting

In some cases, the Welcome to Sophos Home message keeps appearing after having followed the Full Disk Access steps. For those situations, MacOS may require users to manually add additional/missing Sophos components to the Full Disk Access list. There are different scenarios in which that can happen, please follow the guidelines below to correct the problem.

Watch this video covering how to add components to the Full Disk Access list, then follow the appropriate scenario below: 

Scenario: Welcome to Sophos Home message every time the Mac is restarted

What to do:

1 — Open Security & Privacy2 — In the «Privacy» section, Scroll down to «Full Disk Access», click on the padlock at the bottom left and enter your Mac’s username/password to allow changes.3 — Once at the «Full Disk Access» section, use the «Add an application» + symbol to manually add each component4 — Look up each component using the top right search bar and click «Open» to add them to the list, one at a time.  The four components are: Sophos Diagnostic UtilitySophosScanAgentSophosCleanDSophosServiceManagerNote: Ensure that after adding each one, they are ticked (check-marked) 

Example of all 4 components added, and check-marked (ticked)

5- Restart the Mac 

Scenario 2 — Additional components may need to be allowed/checked-marked

Scenario: All 4 components are added, and ticked (as per scenario 1), however Welcome to Sophos Home message every time the Mac is restarted. This is related to having additional Sophos components listed in the Full Disk Access section. The solution is to «check-mark» those additional Sophos components if they are un-checked, and reboot the Mac. 

What to do:

1 — Follow the Scenario 1 steps to access «Security & Privacy —> Full Disk Access» , click on the padlock to be able to make changes2- Manually «tick» or «check-mark» any Sophos component that is not check-marked.3 — Restart the Mac 

Example (additional component in this case is SophosScanD  and it had to be manually allowed by clicking on the check-mark box next to it): 

Scenario: the 4 components do not get added to the Full Disk Access list when drag-dropping, and the Welcome to Sophos Home message appears every the Mac is restarted. 

What to do:

1 — Follow the Scenario 1 steps to access «Security & Privacy —> Full Disk Access» , click on the padlock to be able to make changes.2 —  Once at the «Full Disk Access» section, use the «Add an application» + symbol to manually add SophosScanD and/or Sophos Installer 3 — Look up each component using the top right search bar and click «Open» to add them to the list, one at a time. As SophosScanD and/or Sophos Installer get added, you should see the remainder 4 components populating the list (or be able to manually add them).  Be sure that all the components are check-marked, as per Scenario 2. 

4 — Restart the Mac

Example with SophosScanD: (scrolling up/down may be needed to ensure all four components, plus SophosScandD/ Sophos Installer are correctly populating the Full Disk Access list , and are ticked with a check-mark ) 

Системные требования

Консоль администрирования

Поддерживаемые клиентские платформы:

  • Windows Vista/2003/XP/2000
  • Windows Me/98/NT4
  • Mac OS X (10.2/10.3/10.4)
  • Linux

Аппаратная часть: процессор Pentium 2.0 GHz или эквивалентный

Сервер управления:

  • Windows 2003 Server
  • Windows 2000 Server
  • Windows 2003 Server 64-bit
  • VMWare ESX 3.0
  • VMWare Workstation 5.0
  • VMWare Server 1.0

Сервер управления Sophos NAC: Windows 2003 Server

Удаленная консоль

  • Windows 2003
  • Windows XP Professional
  • Windows 2000 Professional или Server
  • VMWare ESX 3.0
  • VMWare Workstation 5.0
  • VMWare Server 1.0

Инструменты администрирования для Helpdesk-консоли и консоли только для чтения

  • Windows 2003 Server
  • Windows 2000 Server
  • Windows 2003 Server 64-bit
  • VMWare ESX 3.0
  • VMWare Workstation 5.0
  • VMWare Server 1.0

Дисковое пространство: не менее 150 Мб и 2 Гб для базы данных (не менее 4 Гб, если планируется запускать Sophos NAC Manager)Оперативная память: не менее 512 Мб (2 Гб, если требуется Sophos NAC Manager)

Sophos NAC

Поддерживаемые платформы: Windows 2000/XP/Vista Пространство на жестком диске: 20 МбРекомендованная оперативная память: не менее 512 Мб

Sophos Anti-Virus

Поддерживаемые платформы:

  • Windows Vista*/2003*/XP*/2000
  • Windows Me/98/NT4/Mobile
  • Windows 2003 Server 64-bit
  • Linux
  • UNIX (Solaris, HP-UX, IBM-AIX и другие)
  • Novell Netware
  • NetApp Storage Systems
  • OpenVMS
  • VMware ESX 3.0
  • VMware Workstation 5.0
  • VMware Server 1.0

Дисковое пространство:

  • Windows 2003/XP/2000 — 120 Мб
  • Windows Me/98/95/NT4 — 90 Мб

Минимальная оперативная память:

  • Windows 2003/XP/2000 — 256 Мб
  • Windows Me/98/95 — 64 Мб
  • Windows NT4 — 256 Мб

Sophos Client Firewall

Платформы:

  • Windows Vista
  • Windows 2000 Professional
  • Windows XP Professional
  • Windows XP Home

Свободное пространство на жестком диске: не менее 20 МбОперативная память: не менее 256 МбПроцессор: класса Pentium 300 МГц и выше

Sophos Anti-Virus for Mac OS X

Поддерживаемые платформы: Mac OS X 10.2 или вышеДисковое пространство: не менее 90 МбОперативная память: не менее 128 МбПроцессор: Intel или PowerPC

Antivirus options

Sophos Home does have some security options and settings, but they’re only available via a web interface. Tap the Settings button, for instance, and a browser tab opens at the Sophos website. Log in and you can then begin configuring the program.

If you’re thinking this is a little inconvenient, we would probably agree. But once you’re logged in, it doesn’t take any more time, and it does at least mean the support pages are only a click or two away, if you need them.

This kind of central management could also be very handy if you’re intending to install Sophos on multiple devices, as it enables viewing and managing everyone’s protection from one place. If your family aren’t technical types, for instance, it might be wise to keep them away from the more complicated settings. If there’s a problem, they can contact you, and you’re able to log on and make whatever tweaks you need within a couple of minutes.

(Image credit: Sophos)

The Sophos Settings pages open at the Protection tab, where there are tools to schedule scans and exclude particular drives, files and folders from checks.

Advanced options include the ability to enable or disable multiple techniques used by Sophos to block common exploits. There’s specific exploit protection for browsers, browser plugins, Java and more; prevention of privilege escalation, code cave utilization and APC violations; and further layers to fool sandbox-aware malware, prevent backdoor traffic, protect against DLL hijacking, and more.

These lists are interesting, and it’s good to see Sophos covering so many common attack vectors. But as almost all of these settings are highly technical, and turned on by default, they’re unlikely to help most users.

For example, even if you know that the ‘APC violation’ switch aims to ‘prevent attacks from using Application Procedure Calls (APC) to run their code’, would you be confident enough to know when it should be turned off, and what the consequences might be? (It’s okay, we’re not even slightly qualified to decide that, either.)

(Image credit: Sophos)

We only noticed one significant feature which wasn’t enabled by default: ‘Stop malicious USB devices’ apparently ‘blocks malicious USB devices which impersonate a keyboard.’ Sounds interesting, but as it’s disabled by default, presumably it’s not entirely safe. We searched the Support site to try and find out more, but no luck – searching for ‘malicious USB’ (or even ‘USB’) found no results. Looks like Sophos is as unsure about the feature as we are.

It’s good to see that Sophos Home Premium has at least some configuration options, and the ability to schedule scans and exclude particular objects is helpful. But the other settings won’t make much difference to anyone, and overall the package is still distinctly short on settings and tweaks.

(Image credit: Sophos)

Performance and system impact

Sophos Home Premium for Mac left a relatively high impact on our test system’s performance during passive, background usage, but had a relatively low impact during active scans.

We assessed this by running our custom Excel VLOOKUP benchmark test, which matches 60,000 names and addresses on a spreadsheet. Our test machine was a 2017 MacBook Air with a 1.8-GHz Intel Core i5 CPU and approximately 54GB of data stored on a 128GB SSD.

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With Sophos Home Premium installed on our MacBook, but without any active scans running, the VLOOKUP test finished in an average of 3 minutes and 44 seconds, 10 seconds longer than what we saw without any antivirus software installed.

That’s a passive hit of 5%, which isn’t bad, but that was much more than other macOS antivirus products’ passive system impacts, which ranged from 2% to zero. That’s the great overall news for Mac users: most of the time, you’ll never notice that you’ve got antivirus software running.

(Image credit: Tom’s Guide)

You’d be slightly more likely to notice the performance hits created by Sophos’ active scans. During full-system scans, the VLOOKUP test finished in an average of 3 minutes and 48 seconds, a performance dip of 7%.

That’s the smallest slowdown we saw in that category, far less than McAfee AntiVirus Plus’ 47% fall and close to half of the next-best score, the 13% hit created by Norton 360 Deluxe.

(Image credit: Tom’s Guide)

Sophos Home Premium’s Quick Scan slowdown was slightly larger, as the machine finished that test in 3 minutes and 56 seconds, a hit of 10%. Still, that’s the lowest score we saw in that category, below the 16% hit from Norton and well below Kaspersky’s 53%.

MORE: Which Antivirus Software Has the Least System Impact?

Sophos Home Premium took seemingly forever to complete a systemwide scan, though, completing the task in 2 hours and 56 minutes, the longest of all seven programs, all of which were tested on the same Mac. On the other end of that scale was Malwarebytes’ miraculous 16-second time; Kaspersky (41:20) and Norton (25:49) landed in the middle of the pack.

Interface

Double-click the Sophos Home system tray icon and the program’s very simple interface appears. There’s some status information (last update, last scan time), a Scan Computer button, and a handful of other buttons for lesser functions (management, settings and a few other bits and pieces – more on those later).

Tap the Scan button and Sophos Home runs a full system scan on your PC. There’s no upfront way to customize the scan, and no quick scan, or removable device scan, or indeed any other scan type.

Once you’ve launched a scan, you can’t switch to any other part of the app until it’s finished or cancelled. That’s a potential hassle, especially as a full system scan could easily take an hour or more, which is why most antivirus apps allow you to leave a scan running but also use other areas of the package as usual.

(Image credit: Sophos)

Sophos adds a right-click option to Explorer, which is useful as a way to scan a particular file, folder or drive. Even this is a little underpowered, though, as the program doesn’t support simultaneous scans. If it’s busy running a lengthy system scan, for instance, and you try a right-click scan from Explorer, you’re warned that ‘a scan is already running, try again later.’

Sophos also adds an icon to your system tray, but it doesn’t do very much. You can left-click it to launch the program, but that’s it; there’s no right-click menu with shortcut options, and the icon doesn’t change to reflect the app state (scanning, virus found, and so on).

This simplicity certainly means that Sophos Home is easy to use, but if you’re looking for any level of power or control over the app, expect to be disappointed.

(Image credit: Sophos)

Excellent Lab Results

Researchers at independent antivirus testing labs around the world put products through grueling tests and regularly report on their effectiveness. I closely track reports from four labs: AV-Test Institute, AV-Comparatives, SE Labs, and MRG-Effitas. These labs are major operations, and their reputations depend on accurate testing, so I take their results seriously.

Sophos participates in testing with two of these labs. The experts at SE Labs challenge antivirus products using a capture and replay system that lets them hit each product with the same real-world malware attack. Products can earn certification at five levels: AAA, AA, A, B, and C. Along with Avast, Avira, Kaspersky Security Cloud Free, and quite a few others, Sophos took AAA certification.

With MRG-Effitas, products must achieve near-perfect results to pass. This lab regularly publishes results for two tests, one specific to banking-related malware and one broad-spectrum test. Sophos appears in results for the latter, with Level 1 certification, meaning it completely blocked all malware samples. Bitdefender Antivirus Free Edition, Kaspersky, Microsoft, Norton, and a handful of others also took Level 1 certification.

I use an algorithm that maps each lab’s results onto a 10-point scale and generates an aggregate result. With top scores from two labs, Sophos has a perfect 10. That’s quite good, but numerous other products also earned top scores in those tests. Kaspersky, Avira Antivirus, and Norton, along with five other products, impressively appear in results from all four labs. Kaspersky’s aggregate score is 9.9, while Avira and Norton managed 9.8. Bitdefender also has a 9.9 score, but it’s based on results from three labs.

Final verdict

The lack of features and configurability may be a problem for experienced users, but Sophos Home could be worth a look if you’re after a simple centrally-managed antivirus to protect several desktop PCs. It helps that the price is right, too.

Sophos Home Free

(Image credit: Sophos)

Sophos Home Free looks and feels much like Sophos Home Premium. As it comes with a 30-day free trial of Home Premium, that’s no great surprise, but even when the trial has expired, there are barely any visible changes.

The interface looks much the same, with little more than a Scan button and a scattering of settings accessible from Sophos’ web dashboard.

The only real extra is a content filtering system which enables blocking access to websites by their content type (adult, violent, drugs and so on). But as we discussed in the Home Premium review above, it’s basic, easy to bypass, and you’ll probably be better off with something else.

This lack of features will be a problem for many, but it’s really the point of the package. It’s not aimed at experts who want to create their own custom scan types and define different scan nesting depths for individual archive types. It’s a stripped-back antivirus, simple enough that it can be used by the most non-technical of newbies, which you can just leave running in the background to keep you safe.

Sophos Home does have one bonus for those looking to protect multiple devices: you’re able to tweak, monitor and manage the security of all your devices from a central web dashboard. If you’re installing Sophos for several family members, say, who don’t want to spend time learning low-level security details, that could be a real advantage.

(Image credit: Sophos)

Instructions

Note for Premium users: A Sophos Home account is needed for re-installation — If you haven’t created one already, please see Creating a Sophos Home account

Note: All steps, including number 4 and 5 need to be completed in order to be able to re-install Sophos Home after removal.

For Windows 10 or Windows 8 computers:

  1. Right-click on the Start button then select Programs and Features.
  2. Double-click on Sophos Home from the list of the installed programs. Note: In some cases, you may be prompted to restart the computer first before uninstalling Sophos Home. Simply click on Close and reboot the machine first. Then, follow the steps 1-2 again. Otherwise, proceed to step 3.
  3. Click on the Uninstall button and wait for the process to finish.
  4. Remove this computer from the dashboard to free up the consumed device-count / be able to download and re-install of Sophos Home on the computer. Note: Sophos Home will auto remove the computer from the dashboard if the uninstallation is performed while connected to the internet. 
  5. If you are planning on re-installing Sophos Home, please restart your computer first. Note: To download Sophos Home for re-installation after removal from computer and dashboard (this must be completed in order to be able to re-download Sophos Home on the affected device), please follow this article Downloading Sophos Home Installer

Note: All steps, including number 4 and 5 need to be completed in order to be able to re-install Sophos Home after removal.

For Windows 7 computers:

    1. Click on the Start button > Control Panel.
    2. Click Programs and Features.
    3. Double-click on Sophos Home from the list of the installed programs. Note: In some cases, you may be prompted to restart the computer first before uninstalling Sophos Home. Simply click on Close and reboot the machine first. Then, follow the steps 1-3 again. Otherwise, proceed to step 4.
    4. Click Uninstall and wait for the process to finish.
    5. Remove this computer from the dashboard to free up the consumed device-count / be able to download and re-install Sophos Home on the computer. Note: Sophos Home will auto remove the computer from the dashboard if the uninstallation is performed while connected to the internet. 
    6. If you are planning on re-installing Sophos Home, please restart your computer first. Note: To download Sophos Home for re-installation after removal from computer and dashboard (this must be completed in order to be able to re-download Sophos Home on the affected device), please follow this article Downloading Sophos Home Installer

Troubleshooting uninstallation issues

If you have followed the above steps and were not able to complete the removal, please follow the steps in this article: Unable to uninstall Sophos Home — Windows

Выводы

Sophos Endpoint Security and Control является прекрасным кроссплатформенным средством для обеспечения безопасности больших организаций. Продукт включает в себя все необходимое администратору — обнаружение вредоносного ПО, защиту от сетевых атак и интуитивно понятную консоль управления всей антивирусной безопасностью предприятия.

Администратор в режиме реального времени получает информацию о текущем состоянии защиты и соответствии компьютеров сети установленным политикам безопасности. Данный продукт, Sophos является полноценным интегрированным решением для корпораций. Он не только обеспечивает защиту от вредоносных программ, но и позволяет контролировать работу пользовательских приложений

При покупке лицензии на Sophos Endpoint Security and Control, администратор получает постоянно обновляемое программное обеспечение, возможность беспрепятственно скачивать и устанавливать новый релиз решения без дополнительных затрат.

Кроме того, неоспоримым преимуществом Sophos Endpoint Security and Control является его поддержка свыше 25 различных платформ, среди которых различные версии Windows, Mac OS X, Linux, UNIX, NetWare, NetApp Storage Systems и Windows Mobile. При этом лицензия не привязана к какой-либо платформе, что позволяет менять операционные системы на серверах и рабочих станциях без дополнительных затрат на обновление лицензии антивируса. Однако, продление лицензии осуществляется без скидки, что существенно увеличивает стоимость владения продуктом в расчете на несколько лет.

Плюсы:

  • кроссплатформенность;
  • простота и наглядность;
  • автоматическая защита компьютеров;
  • защита от угроз «нулевого дня»;
  • низкая нагрузка на компьютеры и сети;
  • возможность контроля установленных приложений:
  • поддержка Cisco NAC.

Минусы:

  • отсутствие русскоязычного интерфейса;
  • недостаточно гибкая для крупных компаний система отчетов;
  • необходимость обязательного подключения к Интернету для установки решения;
  • возможность отключения антивируса при наличии прав локального администратора у пользователя.
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