Details of Trojan:Win32/Pyrtomsop.A:
Trojan:Win32/Pyrtomsop.A is a Trojan virus. Some free programs released by network criminals on the Internet contain the virus. Therefore, if you download one of these corrupted programs, you will see it in the computer. Junk e-mail attachments and phishing websites may also contain this infection. You have to be very careful when you try to use an unknown online resource.
In the installation process, Trojan:Win32/Pyrtomsop.A implants malicious files and registry entries into the target computer system. What is worth mentioning is that it has the ability to mutate. Therefore, the names and locations of its files change continually. More importantly, it also modifies system settings, resulting in abnormal system operations. You can also find that some documents disappear completely from the computer. On the contrary, many unknown files show up without your permission. The reaction of the computer is rather slow. Some of your applications stop working, and even become invalid. It is able to shut down and restart your computer randomly. As a result, when you use the computer, you need to pay attention to saving your data. In addition, it will open a remote channel in the infected computer for some other viruses to infiltrate into your computer. In other words, if the computer is infected with this Trojan for a period of time, the computer will be attacked by more and more other viruses continuously. What is worse, the cyber criminals have the capacity to take over the infected computer to steal your valuable information, such as bank account details and passwords. Therefore, you should have the virus removed timely. However, many computer users may not know how to deal with it, because most antivirus programs don’t seem to be able to get rid of it. In this case, manual removal is the best way.
The Trojan horse virus is an extremely dangerous threat on the infected computer. Registry and other system settings can be modified by it completely, that is the reason the nasty redirect virus can escape the tracking of the security tools like anti-virus program or firewall. It is strongly suggested that PC user should get rid of this Trojan horse virus in a manual way to remove it. Learn more from the manual removal guide below.
1. Safe Mode With Networking
Before performing the manual removal of this virus, reboot your computer into "safe mode with networking" by constantly tapping F8 key before Windows is launched. It works for Windows 7, XP & Vista.
2. Press Ctrl+Shift+ESC keys together and stop virus process in the Windows Task Manager.
3. Access Windows Start Menu and navigate to the Control Panel.
4. Click Uninstall a program or Add and remove a program.
6. Go to “My Computer C”, if there is a “Smart Guard Protection ” file, you can delete it as well.
5. Delete all these associated files and registry entries with this Trojan virus from Registry Editor. The registry files are listed randomly. Besides, you need to delete the infection files of the redirect virus from your system files to prevent it from coming back. Those files are named randomly also but may be different on different operating systems.
Trojan:Win32/Pyrtomsop.A has typically the following processes in memory:
%AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe
Trojan:Win32/Pyrtomsop.A creates the following files in the system:
%Desktopdir%\Trojan:Win32/Pyrtomsop.A.lnk
%Programs%\Trojan:Win32/Pyrtomsop.A\Trojan:Win32/Pyrtomsop.A.lnk
Trojan:Win32/Pyrtomsop.A creates the following registry entries:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/Pyrtomsop.A\DisplayIcon %AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe,0
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/Pyrtomsop.A
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/Pyrtomsop.A\UninstallString “%AppData%[RANDOM CHARACTERS][RANDOM CHARACTERS].exe” -u
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce\[RANDOM CHARACTERS] %AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/Pyrtomsop.A\ShortcutPath “%AppData%\[RANDOM CHARACTERS]\[RANDOM CHARACTERS].exe” -u
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Uninstall\Trojan:Win32/Pyrtomsop.A\DisplayName Trojan:Win32/Pyrtomsop.A
6. Manually remove added extensions and modified browser settings
For IE (Internet Explorer)
Remove Extensions or Add-ons
Start IE and click on Tools or gear icon in IE 9 and navigate to Manage Add-ons.
Select useless or unknown add-on entries related to Trojan:Win32/Pyrtomsop.A pop-up and either Remove or Disable them.
Restart IE, so that steps could take effect.
Modify browser settings
Start IE and click on Tools or gear icon in IE 9 and select to Internet Option.
Now navigate to General tab > Change Search Defaults > Settings.
Now select your favorite search provider from the list of preferred ones and click on Set as default.
Restart IE, so that steps could take effect.
For Google Chrome
Remove Extensions or Add-ons
Start Chrome and then click on Wrench or 3 Horizontal Bar icon at the top left corner of the browser.
Next click Tools & then on Extensions.
Now search for extension named Trojan:Win32/Pyrtomsop.A pop-up or similar, select it and delete it by clicking Trash icon.
Restart Chrome, so that steps could take effect.
Modify browser settings
Start Chrome and then click on Wrench or 3 Horizontal Bar icon at the top left corner of the browser.
Next click on Settings > Search > Manage Search Engines.
Now select your favorite search provider from the list of preferred ones and click on Make Default. You can also delete unwanted search engines from the list.
Restart Chrome, so that steps could take effect.
For Mozilla Firefox
Remove Extensions or Add-ons
Start Firefox and click on Tools from the top menu.
As a next step select Add-ons > Extensions.
Select useless or unknown extension from the list related to Trojan:Win32/Pyrtomsop.A pop-up or similar and either Remove or Disable them.
Restart Firefox, so that steps could take effect.
Modify browser settings
Start Firefox and on the address bar at the top type about:config and hit Enter.
Now in the search box type browser.search.defaultenginename, once you find it, right click on it and select Modify.
Reset it to your favorite search engine and save it.
Next search for entry browser.search.selectedEngine and reset it to other than what is already set.
As a last step, search for entry browser.newtab.url and modify it to about:newtab if your new tab doesn't open with your preferred site.
Restart Firefox, so that steps could take effect.
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