The Mitglieder.AI's file is a PE executable 7824 bytes in size
packed with FSG file compressor.
According to our partner, the trojan was spammed in e-mail
messages that had the following text:
We agree with your terms. The deal is acceptable.
For more information please read attached document.
When the trojan's file is run, it copies itself as WINDOW.EXE
file to Windows System folder and creates a startup key for this
file in the Registry:
"window.exe" = "%winsysdir%\window.exe"
where %winsysdir% represents Windows System folder name.
Then the trojan opens a backdoor on port 14247, listens for
remote commands and works as a mail relay. The trojan connects to
several websites to report infected computer's IP address, ID and
This Mitglieder variant doesn't kill processes of security and
F-Secure Anti-Virus detects Mitglieder.AI trojan in the following
Alexey Podrezov, April 7th, 2004;