high
Summary
Summary
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| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 22 April 2007 21:08:27 (GMT) |
| Last updated | 30 May 2007 10:01:13 (GMT) |
| Detected by | All Sophos products |
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Action
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More Information
Troj/Progent-AF is a Trojan for the Windows platform.
Troj/Progent-AF runs continuously in the background, providing a backdoor server which allows a remote intruder to gain access and control over the computer via IRC channels.
Troj/Progent-AF includes functionality to access the internet and communicate with a remote server via HTTP.
When Troj/Progent-AF runs it may try and install potentially unwanted applications.
When Troj/Progent-AF is installed the following files are created:
<System>\ldkgl\128.reg
<System>\ldkgl\d.dll
<System>\ldkgl\g.exe
<System>\ldkgl\ksomk
<System>\ldkgl\l4m1.bmp
<System>\ldkgl\l4m2.bmp
<System>\ldkgl\l4m3.bmp
<System>\ldkgl\l4m3r.exe
<System>\ldkgl\l4m4.bmp
<System>\ldkgl\l4m5.bmp
<System>\ldkgl\l4m6.bmp
<System>\ldkgl\l4m7.bmp
<System>\ldkgl\l4m8.bmp
<System>\ldkgl\l4m9.bmp
<System>\ldkgl\lam1.exe
<System>\ldkgl\lam2.exe
<System>\ldkgl\lam3.exe (detected as HideWindow)
<System>\ldkgl\lam4.exe (detected as HideWindow)
<System>\ldkgl\lam5.exe (detected as NirPassView)
<System>\ldkgl\mirc.ini
<System>\ldkgl\msn.dll
<System>\ldkgl\nm
<System>\ldkgl\ournik
<System>\ldkgl\poiyu
<System>\ldkgl\systemac.dll
<System>\ldkgl\u
The files l4m3r.exe, systemac.dll and d.dll are components of an official mIRC client for the Windows platform. The file lam1.exe is a clean application.
The files ksomk, nm, ournik, poiyu, and u are clean text files and can safely be deleted.
The file g.exe is a clean datafile and can safely be deleted.
The files l4m[1-9].bmp are detected as Troj/Progent-AF.
The following registry entry is created to run l4m3r.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
msennger
<System>\ldkgl\l4m3r.exe
The following registry entries are set or modified, so that l4m3r.exe is run when files with extensions of CHA and IRC are opened/launched:
HKCR\ChatFile\Shell\open\command
(default)
<System>\ldkgl\l4m3r.exe" -noconnect
HKCR\irc\Shell\open\command
(default)
<System>\ldkgl\l4m3r.exe" -noconnect
Registry entries are set as follows:
HKCR\ChatFile\DefaultIcon
(default)
<System>\ldkgl\l4m3r.exe
HKCR\irc\DefaultIcon
(default)
<System>\ldkgl\l4m3r.exe
Registry entries are created under:
HKCU\Software\Microsoft\Microsoft Agent
HKCU\Software\mIRC\DateUsed
HKCR\irc
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\mIRC
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