high
Summary
Summary
Action- More Information
| How it spreads |
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|---|---|
| Affected operating systems | Windows |
| Characteristics |
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| Included in our products from | January 2005 (3.89) |
| Protection available since | 15 October 2004 19:58:33 (GMT) |
| Last updated | 16 December 2004 12:50:51 (GMT) |
| Detected by | All Sophos products |
Action
- Summary
- Action
- More Information
Please follow the instructions for removing worms.
More Information
W32/Rbot-MZ is a worm which attempts to spread to remote network shares. It also contains backdoor functionality, allowing unauthorised remote access to the infected computer via IRC channels while running in the background as a service process.
W32/Rbot-MZ spreads to network shares with weak passwords and via network security exploits as a result of the backdoor Trojan element receiving the appropriate command from a remote user.
W32/Rbot-MZ copies itself to the Windows system folder as MSUPDATE.EXE and creates entries at the following locations in the registry with the value msupdate so as to run itself on system startup:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices
W32/Rbot-MZ also sets the following registry entry with the same value to point to itself:
HKCU\Software\Microsoft\OLE
W32/Rbot-MZ may attempt to sets the following registry entries:
HKLM\SOFTWARE\Microsoft\Ole\
EnableDCOM = "N"
HKLM\SYSTEM\CurrentControlSet\Control\Lsa\
restrictanonymous = "1"
W32/Rbot-MZ may attempt to delete network shares on the host computer.
W32/Rbot-MZ may attempt to log keystrokes to the file KEYS.TXT in the Windows system folder.
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