InstallMonstr.LSPO_20 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.
Process Related Changes
It creates the following mutex(es):
- c:!documents and settings!admin!local settings!temporary internet files!content.ie5!"
- ZonesLockedCacheCounterMutex"
- c:!documents and settings!admin!local settings!history!history.ie5!"
- CTF.TMD.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- DDrawWindowListMutex"
- MSCTF.Shared.MUTEX.EKF"
- CTF.TimListCache.FMPDefaultS-1-5-21-1078081533-842925246-854245398-1003MUTEX.DefaultS-1-5-21-1078081533-842925246-854245398-1003"
- CTF.Compart.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- __DDrawCheckExclMode__"
- DDrawDriverObjectListMutex"
- ZoneAttributeCacheCounterMutex"
- ZonesCacheCounterMutex"
- ZonesCounterMutex"
- CTF.Layouts.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- CTF.Asm.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- !PrivacIE!SharedMemory!Mutex"
- MutexNPA_UnitVersioning_704"
- c:!documents and settings!admin!cookies!"
- CTF.LBES.MutexDefaultS-1-5-21-1078081533-842925246-854245398-1003"
- __DDrawExclMode__"
- MSCTF.Shared.MUTEX.EOH"
It creates the following process(es): - C:\WINDOWS\Temp\d44fdc305f8f97c23ed306363dcf689b.exe [ \c:\windows\temp\d44fdc305f8f97c23ed306363dcf689b.exe ]
Network Activity
We observed the following DNS query/queries: - pse3dmjlx1zdqxh.paseka-soft.ru
It attempts to connect to the following remote servers:
Registry Related Changes
It makes the following registry modifications to ensure infection after system reboot: - HKLM\system\CurrentControlSet\Services\eventlog\application\esent\= C:\WINDOWS\system32\ESENT.dll
- HKU\s-1-5-21-1078081533-842925246-854245398-1003\software\microsoft\internetexplorer\services\= *** Special Characters ***
- HKLM\system\CurrentControlSet\Services\eventlog\application\esent\= *** Special Characters ***
- HKLM\software\microsoft\internetexplorer\services\= *** Special Characters ***
- HKLM\system\CurrentControlSet\Services\tcpip\parameters\= C:\WINDOWS\system32\ESENT.dll
- HKU\s-1-5-21-1078081533-842925246-854245398-1003\software\microsoft\internetexplorer\services\= C:\WINDOWS\system32\ESENT.dll
- HKLM\system\CurrentControlSet\Services\tcpip\parameters\= *** Special Characters ***
- HKLM\software\microsoft\internetexplorer\services\= C:\WINDOWS\system32\ESENT.dll
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