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  IRCBot.ONJ
IRCBot.ONJ is a Trojan. A Trojan is a program that pretends to have a valid use, but in fact modifies the user's computer in malicious way. Trojans do not replicate or spread to other computers.

File Related Changes
It drops the following file(s) on the system:
  • "c:\Windows\infocard.exe"

It modifies the following additional file(s) on the system:
  • "c:\Windows\infocard.exb"

Process Related Changes
It creates the following mutex(es):
  • "SmartScreen_ClientId_Mutex"
  • "MSIMGSIZECacheMutex"
  • "ConnHashTable<3556>_HashTable_Mutex"
  • "SmartScreen_UrsCacheMutex_2CEDBFBC-DBA8-43AA-B1FD-CC8E6316E3E2High_S-1-5-21-239287854-1939494589-2009181562-1001"
  • "IESQMMUTEX_0_208"
  • "nnmxm"

It creates the following process(es):
  • c:\Program Files\Internet Explorer\iexplore.exe [ \c:\Program Files\Internet Explorer\iexplore.exe SCODEF:3556 CREDAT:14337 ]
  • C:\Windows\system32\netsh.exe [ netsh firewall add allowedprogram 1.exe 1 ENABLE ]
  • C:\Windows\infocard.exe
  • C:\Windows\explorer.exe [ explorer.exe http://browseusers.myspace.com/Browse/Browse.aspx ]
  • c:\Program Files\Internet Explorer\iexplore.exe [ \c:\Program Files\Internet Explorer\iexplore.exe -nohome ]

Network Activity
It attempts to connect to the following remote servers:
  • findarticlesblog.com:80 (208.73.xxxxxx)
  • googleapis.l.google.com:443 (74.125xxxxxx)
  • crl.globalsign.net:80 (108.162.xxxxxx)
  • clients.l.google.com:80 (74.125.xxxxxx)
  • 301.myspace.com:80 (216.178xxxxxx)
  • myspace.com:443 (216.178xxxxxx)
  • certrevoc.vo.msecnd.net:80 (157.56.xxxxxx)
  • ssl-google-analytics.l.google.com:443 (74.125.xxxxxx)
  • dbsarticles.com:2345 (69.43.1xxxxxx)
  • ocsp.verisign.net:80 (199.7.xxxxxx)
  • cs53.wac.edgecastcdn.net:443 (72.21.xxxxxx)

We observed the following DNS query/queries:
  • findarticlesblog.com
  • myspace.com
  • ssl.google-analytics.com
  • a4-images.myspacecdn.com
  • dbsarticles.com
  • a2-images.myspacecdn.com
  • mscrl.microsoft.com
  • x.myspacecdn.com
  • gtglobal-ocsp.geotrust.com
  • a1-images.myspacecdn.com
  • clients1.google.com
  • cms.myspacecdn.com
  • crl.geotrust.com
  • crl.globalsign.net
  • browseusers.myspace.com
  • ajax.googleapis.com
  • a3-images.myspacecdn.com
  • www.download.windowsupdate.com

Registry Related Changes
It makes the following registry modifications to ensure infection after system reboot:
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run\firewalladministrating = C:\Windows\infocard.exe
  • HKLM\Software\Microsoft\Windows\CurrentVersion\Run\firewalladministrating = C:\Windows\infocard.exe
  • HKLM\software\microsoft\windowsnt\currentversion\terminalserver\install\Software\Microsoft\Windows\CurrentVersion\Run\firewalladministrating = C:\Windows\infocard.exe


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