Summary

Summary
Action
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Included in our products from | November 2006 (4.11) |
| Protection available since | 19 September 2006 14:47:16 (GMT) |
| Detected by | All Sophos products |
Action

Summary
Action
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Please read the instructions for removing Troj/Enfal-B.
More Information
Troj/Enfal-B is a backdoor Trojan for the Windows platform.
Troj/Enfal-B includes functionality to access the internet and communicate with a remote server via HTTP.
When Troj/Enfal-B is installed the following files are created:
<System>\DisMgnt.exe
<System>\NtApi.exe
<System>\Winkrnl.exe
<System>\ace\temp\kb791024.l0g
where NtApi.exe is an archiver application.
Troj/Enfal-B injects multiple threads into the process EXPLORER.EXE.
The files DisMgnt.exe and Winkrnl.exe are detected as Troj/Enfal-A.
Registry entries are set as follows:
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
ShowSuperHidden
0
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe,<System>\<original Trojan filename>
