Virus:Worm/Lovgate.W.1
Date discovered:05/04/2004
Type:Worm
In the wild:Yes
Reported Infections:Low
Distribution Potential:Medium
Damage Potential:Low
Static file:Yes
File size:61.440 Bytes
MD5 checksum:068ab7aff165eaf4a6b5d1f5efc5779d
VDF version:6.24.00.87

 General Method of propagation:
   • Local network


Aliases:
   •  Symantec: W32.Lovgate.R@mm
   •  Mcafee: W32/Lovgate.x@MM
   •  Kaspersky: Email-Worm.Win32.LovGate.x
   •  TrendMicro: WORM_LOVGATE.V
   •  Sophos: W32/Lovgate-V
   •  Grisoft: I-Worm/Lovgate.X
   •  VirusBuster: I-Worm.Lovgate.AP
   •  Eset: Win32/Lovgate.Z
   •  Bitdefender: Win32.Lovgate.V@mm


Platforms / OS:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


Side effects:
   • Registry modification
   • Makes use of software vulnerability

 Files It copies itself to the following location:
   • %SYSDIR%\spollsv.exe

 Registry The following registry key is added in order to run the process after reboot:

– HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
   • "Shell Extension"="%SYSDIR%\spollsv.exe"

 Network Infection In order to ensure its propagation the malware attemps to connect to other machines as described below.


Exploit:
It makes use of the following Exploit:
– MS03-026 (Buffer Overrun in RPC Interface)


IP address generation:
It creates random IP addresses while it keeps the first three octets from its own address. Afterwards it tries to establish a connection with the created addresses.


Infection process:
Creates an FTP script on the compromised machine in order to download the malware to the remote location.

 Backdoor The following port is opened:

– %SYSDIR%\spollsv.exe on a random TCP port in order to provide an FTP server.

Description inserted by Irina Boldea on Wednesday, May 17, 2006
Description updated by Irina Boldea on Wednesday, May 17, 2006

Back . . . .