high
Summary
Summary
Action- More Information
| Affected operating systems | Windows |
|---|---|
| Characteristics |
|
| Protection available since | 5 October 2005 12:39:46 (GMT) |
| Detected by | All Sophos products |
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Action
- Summary
- Action
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Please follow the instructions for removing Trojans.
More Information
Troj/MSNOpt-A is a backdoor Trojan which allows a remote intruder to gain access and control over the computer.
When first run Troj/MSNOpt-A copies itself to:
\Girleys.exe
\MyPic.Scr
\NudePic.Pif
\Pic1DOC0051.scr
\SexyGirl.exe
<System>\lexplore_.exe
Troj/MSNOpt-A may attempt to send itself using these filenames to contacts found in Microsoft MSN Messenger, accompanied by one of the following instant messages :
'Check This out !!'
'Hey look my pic on this ..'
'MyPic '
'wow look for this pic'
The following registry entries are created to run lexplore_.exe on startup:
HKCU\Software\Microsoft\Windows\CurrentVersion\Run
WinEx
<System>\lexplore_.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
ShellRun
<System>\lexplore_.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce
APIClass
<System>\lexplore_.exe
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnceEx
RegMutex
<System>\lexplore_.exe
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
Shell
Explorer.exe lexplore_.exe
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