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Name csass.exe


W32/Rbot-DS is a worm which attempts to spread to remote network shares.
It also contains backdoor Trojan functionality, allowing unauthorised remote access to the infected computer via IRC channels.
W32/Rbot-DS spreads to network shares with weak passwords as a result of the backdoor Trojan element receiving the appropriate command from a remote user.

Copies itself to the Windows System32 folder as CSASS.EXE and creates the following entries at these locations in the registry:
LanGuard Auto Updater = csass.exe

May also set the following registry keys:
HKLM\SOFTWARE\Microsoft\Ole\EnableDCOM = N
HKLM\SYSTEM\ControlSet001\Control\Lsa\restrictanonymous = 1
HKLM\SYSTEM\CurrentControlSet\Control\Lsa\restrictanonymous = 1

It will allow a remote user to issue various remote commands such as launching DOS attacks, deleting remote shares and keylogging information.

Remove it with antivirus (also check How To Remove section)

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