|W32/Rbot-KO is a worm of the Rbot family which attempts to spread to remote network shares.
Contains backdoor Trojan functionality allowing unauthorised remote access to the infected computer via IRC channels.
It spreads to network shares with weak passwords.
It also spreads by scanning for and exploiting various vulnerabilities such as RPC/DCOM, LSASS, SUB7 etc.
To avoid detection the worm will terminate various AntiVirus and security related processes.
Copies itself to the Windows system folder as slserv32.exe and creates entries in the system registry:
HKLM\Software\Microsoft\Windows\CurrentVersion\Run\Windows Service = <%SYSTEM%>\slserv32.exe
HKLM\Software\Microsoft\Windows\CurrentVersion\RunServices\Windows Service = <%SYSTEM%>\slserv32.exe
and HKCU\Software\Microsoft\OLE\Windows Service = \slserv32.exe
You can remove it with antivirus (also check How To Remove section)