Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | March 2008 (4.27) |
| Protection available since | 4 February 2008 18:36:56 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please follow the instructions for removing Trojans.
More Information
Troj/Mdrop-BQE is a Trojan for the Windows platform.
Troj/Mdrop-BQE usually can be located with the filename activexdebugger32.exe.
When first run the Trojan copies itself to the Windows system folder and creates the following files:
<Temp>\nesneler.exe
<System>\kmon.ocx
<System>\ktkbdhk3.dll
<System>\mswinsck.ocx
<System>\pac.exe
<System>\scrrntr.dll
The file kmon.ox is detected as Keyboard Monitor potentially unwanted keylogging application and the file pac.exe is detected as W32/Amca-A.
The following registry entry is changed to run Troj/Mdrop-BQE on startup:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe <original Trojan filename>
Registry entries are created under:
HKCR\MSWinsock.Winsock
