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Name inetman.exe


W32.HLLW.Donk.O is a worm that spreads through open network shares and attempts to exploit the Microsoft DCOM RPC vulnerability.

Creates copies of itself as:

Adds the value:
"Microsoft System Checkup"="inetman.exe"
"NT Logging Service"= "syslog32.exe"
to the registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run

Adds the value: "Microsoft System Checkup"="inetman.exe"
to the registry key: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices

Generates a random IP address.
Attempts to exploit the DCOM RPC vulnerability (as described in Microsoft Security Bulletin MS03-026) by sending data on TCP port 135 to the generated IP address.
Creates a hidden, remote shell process that listens on TCP port 4444, allowing an attacker to issue remote commands on an infected system.
Ends the processes of many firewall and antivirus programs.

Attempts to copy itself to the administrative shares using different user names and passwords.
If successful, the worm will copy itself to the remote systems.

Attempts to download and execute the following files from a series of predetermined Web servers:
- %Temp%\upd32a.exe
- %Temp%\lpd32b.exe
- %System%\navinst.exe
- %Temp%\file.my3

Connects to the predetermined IRC servers and awaits commands from an attacker.
The backdoor provides the attacker with the following functions:
- Flood a specified host
- Download files from the attacker
- Execute files

Use antivirus (also check How To Remove section)Startup Optimizer to automatically remove it from startup.

Still have a problem? Ask for help at our discussion forum.

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