Troj/Gimmiv-A

Category: Viruses and Spyware
Type: Trojan
Prevalence: Small Number of Reports

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Troj/Gimmiv-A is a Trojan for the Windows platform.

When Troj/Gimmiv-A is run, the following file is dropped:

<System>\wbem\sysmgr.dll

This file is also detected as Troj/Gimmiv-A

Troj/Gimmiv-A sets the following registry entries to link the dll with svchost.exe:

HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SvcHost
sysmgr
sysmgr

HKLM\SYSTEM\CurrentControlSet\Services\sysmgr\Parameters
ServiceDll
<System>\wbem\sysmgr.dll

HKLM\SYSTEM\CurrentControlSet\Services\sysmgr\Parameters
ServiceMain
ServiceMainFunc

Troj/Gimmiv-A then also creates a service with the a Service Name of "sysmgr" and a Display Name of "System Maintenance Service" to run the dropped dll on startup by running "<Root>\System32\svchost.exe -k sysmgr".

The dll includes functionality to send information about the infected computer to a remote website, including information about what anti-virus product is being run.

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