Categories: Trojan

Trojan.Staser removal guide

The Trojan.Staser is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Trojan.Staser virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Mimics the system’s user agent string for its own requests
  • Drops a binary and executes it
  • Deletes its original binary from disk
  • Attempts to remove evidence of file being downloaded from the Internet
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself

How to determine Trojan.Staser?


File Info:

crc32: 671F6005md5: 615097e39bf64fe1b31522b90c0c15bfname: tzJWa0WCH.exesha1: 3877dc5936445f4f5b1a880013ccec0346c170e0sha256: 2487f6b24eb7975a42e8a09b9b73070b0e9ce016c0bfc21b6067e8029a93dc0dsha512: e5392add683a38b41ff0efbfb2c8ec6ae8d3b652b0251de12505ef18e8746e7dbcb40059c46ffbcc186dd96a0f88e0139dfb780a61519bbfdf58f558cac26c3fssdeep: 6144:BoZPIjDRcA0lMq7UtVYe6ciL026uCHgUexyHvolUAfbzfCAjfZcyepWitV:BoZMDRN17tVQLOAgkVcyeQtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2002InternalName: MCIWndWrapperFileVersion: 1, 0, 0, 1CompanyName: LegalTrademarks: ProductName: MCIWndWrapper ApplicationProductVersion: 1, 0, 0, 1FileDescription: MCIWndWrapper MFC ApplicationOriginalFilename: MCIWndWrapper.EXETranslation: 0x0409 0x04b0

Trojan.Staser also known as:

Bkav W32.NektoGM.Trojan
DrWeb Trojan.Emotet.762
MicroWorld-eScan Trojan.GenericKD.42136462
FireEye Trojan.GenericKD.42136462
CAT-QuickHeal Trojan.Staser
ALYac Trojan.GenericKD.42136462
VIPRE Trojan.Win32.Generic!BT
K7AntiVirus Riskware ( 0040eff71 )
BitDefender Trojan.GenericKD.42136462
K7GW Riskware ( 0040eff71 )
TrendMicro TrojanSpy.Win32.EMOTET.THLBCAI
BitDefenderTheta Gen:NN.ZexaCO.33558.Oy1@aOgoVWhi
F-Prot W32/Emotet.ADV.gen!Eldorado
Symantec Trojan Horse
APEX Malicious
Paloalto generic.ml
ClamAV Win.Dropper.Emotet-7465502-0
GData Trojan.GenericKD.42136462
Kaspersky Trojan-Banker.Win32.Emotet.eofq
ViRobot Trojan.Win32.Emotet.667848
AegisLab Trojan.Win32.Emotet.L!c
Rising Trojan.Kryptik!1.C0B8 (CLASSIC)
Ad-Aware Trojan.GenericKD.42136462
Sophos Mal/Generic-S
F-Secure Trojan.TR/AD.Emotet.qngah
Invincea heuristic
McAfee-GW-Edition RDN/Emotet
Trapmine suspicious.low.ml.score
Emsisoft Trojan.GenericKD.42136462 (B)
SentinelOne DFI – Malicious PE
Cyren W32/Emotet.ADV.gen!Eldorado
Jiangmin Trojan.Banker.Emotet.mvl
Webroot W32.Trojan.Gen
Avira TR/AD.Emotet.qngah
MAX malware (ai score=80)
Antiy-AVL Trojan/Win32.Wacatac
Arcabit Trojan.Generic.D282F38E
ZoneAlarm Trojan-Banker.Win32.Emotet.eofq
Microsoft Trojan:Win32/Emotet!rfn
AhnLab-V3 Malware/Win32.Generic.C3653050
McAfee RDN/Emotet
VBA32 BScope.TrojanPSW.Spy
Malwarebytes Trojan.Agent
Panda Trj/Emotet.A
ESET-NOD32 a variant of Win32/Kryptik.GZQW
TrendMicro-HouseCall TrojanSpy.Win32.EMOTET.THLBCAI
Tencent Malware.Win32.Gencirc.10b82d9c
Ikarus Trojan-Banker.Emotet
Fortinet W32/Emotet.ENKU!tr
AVG Win32:BankerX-gen [Trj]
Avast Win32:BankerX-gen [Trj]
Qihoo-360 Win32/Trojan.a4e

How to remove Trojan.Staser?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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