Threat Description

Net-Worm:​W32/Lovsan.E

Details

Aliases: Net-Worm:​W32/Lovsan.E, Net-Worm:​W32/Lovsan.E
Category: Malware
Type: Net-Worm
Platform: W32

Summary



A type of worm that replicates by sending complete, independent copies of itself over a network.



Removal



Automatic Disinfection

Allow F-Secure Anti-Virus to disinfect the relevant files.

For more general information on disinfection, please see Removal Instructions .

Network Disinfection

For general instructions on disinfecting a local network infection, please see Eliminating A Local Network Outbreak.

Manual Disinfection

Caution: Manual disinfection is a risky process; it is recommended only for advanced users.

For full 8-step list of how to get rid of Lovsan, please see Net-Worm:W32/Lovsan



Technical Details



The new E variant of Net-Worm:W32/Lovsan was found on August 29th, 2003. This variant is functionally identical to Lovsan.A with a few minor differences:

  • It uses the file name mslaugh.exe instead of MSBLAST.EXE.
  • It uses a different MUTEX name: 'SILLY'
  • The Distributed Denial of Service (DDoS) target has been changed to kimble.org, which already points to 127.0.0.1, effectively causing the infected hosts to attack themselves
  • The used registry value has been changed to: 'HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Automation'
  • It has a different hidden message: 'I dedicate this particular strain to me ANG3L - hope yer enj oying yerself and dont forget the promise for me B/DAY !!!!'





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