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  MalAgent.J_523
MalAgent.J_523 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 ways. Trojans do not replicate or spread to other computers.

File Related Changes
It drops the following file(s) on the system:
  • "C:\Documents and Settings\All Users\Application Data\f395c3d9.exe"
  • "C:\Documents and Settings\Admin\Application Data\puk9378.tmp.bat"

Process Related Changes
It creates the following mutex(es):
  • 10071ef0000004f8"
  • 10071ef00000058c"
  • 10071ef00000038c"
  • 10071ef00000042c"
  • CTF.Compart.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
  • 10071ef0000003d4"
  • CTF.Layouts.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
  • 10071ef0000006d8"
  • CTF.Asm.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
  • 10071ef0000007f0"
  • CTF.LBES.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
  • c:!documents and settings!admin!cookies!"
  • 10071ef0000000f4"
  • c:!documents and settings!admin!local settings!history!history.ie5!"
  • WininetConnectionMutex"
  • {2d17e659d34601689591}"
  • 10071ef000000644"
  • 10071ef000000380"
  • c:!documents and settings!admin!local settings!temporary internet files!content.ie5!"
  • 10071ef000000234"
  • 10071ef000000080"
  • CTF.TMD.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
  • 10071ef00000024c"
  • 10071ef00000047c"
  • 10071ef000000138"
  • 10071ef000000558"
  • 10071ef000000184"
  • 10071ef000000590"
  • 10071ef0000007c4"
  • CTF.TimListCache.FMPDefaultS-1-5-21-1078081533-842925246-854245398-1003MUTEX.DefaultS-1-5-21-1078081533-842925246-854245398-1003"
  • 10071ef0000000e0"
  • SHIMLIB_LOG_MUTEX"
  • 10071ef00000076c"

It creates the following process(es):
  • C:\WINDOWS\system32\cmd.exe [ cmd /c \C:\Documents and Settings\Admin\Application Data\puk9378.tmp.bat \c:\windows\temp\e7d9c713e868c2c8239c282513cf6716.exe\ ]
  • C:\WINDOWS\Temp\e7d9c713e868c2c8239c282513cf6716.exe [ \c:\windows\temp\e7d9c713e868c2c8239c282513cf6716.exe ]
  • C:\WINDOWS\system32\svchost.exe [ C:\Documents and Settings\All Users\Application Data\f395c3d9.exe ]

It injects malicious code into the following process(es):
  • "C:\WINDOWS\system32\svchost.exe"

Network Activity
We observed the following DNS query/queries:
  • adtejoyo1377.tk
  • download.windowsupdate.com


Relevant Information