Trojan.Avalanec is a Trojan that will modify Windows registry to add its own entry and automate loading when Windows is started. Trojan.Avalanec payloads include a backdoor functionalities, download another malicious files, update itself and act as a proxy server for Trojan operation.

Alias: -

Damage Level: Low

Systems Affected: Windows

Manual Removal of Trojan.Avalanec

1. Temporarily Disable System Restore (Windows Me/XP). [how to]
2. Update the virus definitions.
3. Reboot computer in SafeMode [how to]
4. Run a full system scan and clean/delete all infected file(s)
5. Delete/Modify any values added to the registry. [how to edit registry]

Navigate to and delete the following registry entries:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current Version\Run\”Microsoft Startup Manager” = “%System%\sysservice.exe”
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services \SharedAccess\Parameters\FirewallPolicy\StandardProfile\Authorized Applications\List\”%System%\sysservice.exe” = “%System%\sysservice.exe:*:Enabled:DNS client”

6. Exit registry editor and restart the computer.
7. In order to make sure that threat is completely eliminated from your computer, carry out a full scan of your computer using AntiVirus and Antispyware Software. Another way to delete the virus using various Antivirus Program without the need to install can be done with Online Virus Scanner.