Categories: Backdoor

Backdoor:Win32/Vawtrak.C removal guide

The Backdoor:Win32/Vawtrak.C 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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What Backdoor:Win32/Vawtrak.C virus can do?

  • Executable code extraction
  • Injection with CreateRemoteThread in a remote process
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Code injection with CreateRemoteThread in a remote process
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Installs itself for autorun at Windows startup
  • Exhibits behavior characteristics of Vawtrak / Neverquest malware.
  • Attempts to modify browser security settings
  • Creates a copy of itself
  • Attempts to disable browser security warnings

How to determine Backdoor:Win32/Vawtrak.C?


File Info:

crc32: 5093A3F4md5: dd7a5ec536878cd2dc174856f287b77ename: upload_filesha1: f065ec5b83fb33f6381674539dd3dd99e0346af0sha256: 71cc04f8bff5e8e2e017abeea0e2b288a58ef8af264c5b5a96115eb9a8baa40dsha512: 09b3927eab77effa231b011acaabb7ff7cfcff8a0d855960fda54eae0211af0547df780ad25450bca75b8b450a387a1651ebf171bcf9fc16786ea41ca30a84dassdeep: 3072:qJeX8OBVi029wCW0zwPoce56vmVVaI9SlN5U+jeD5Cauj8ii4ysX:qSXFezCeVVaNteNujjPtype: PE32 executable (DLL) (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Tonec Inc., Copyright xa9 1999 - 2015InternalName: IEMonitoronitor Application: <x0cx01ProductVersionFileVersion: 6, 22, 1, 1CompanyName: Tonec Inc.ecialBuild: DPrivateBuild: Lx16x01ProductNameLegalTrademarks: Internet Download ManagerComments: Internet Download Manager agent for click monitoring in IE-based browsers22, 1, 1: FileDescription: Internet Download Manager agent for click monitoring in IE-based browsersOriginalFilename: IEMonitor.EXETranslation: 0x0409 0x04b0

Backdoor:Win32/Vawtrak.C also known as:

Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Trojan.Ransom.Cerber.1
McAfee Packed-AM!DD7A5EC53687
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Generic.4!c
Sangfor Malware
K7AntiVirus Trojan ( 005224381 )
BitDefender Trojan.Ransom.Cerber.1
K7GW Trojan ( 005224381 )
CrowdStrike win/malicious_confidence_100% (D)
Invincea Mal/Generic-S + Mal/Gozi-D
BitDefenderTheta Gen:NN.ZedlaF.34282.ou8@aadsWdki
Symantec Packed.Generic.459
Baidu Win32.Trojan.Kryptik.anp
TrendMicro-HouseCall Ransom_CERBER.SMEJ5
ClamAV Win.Trojan.Emotet-6894547-0
Kaspersky HEUR:Packed.Win32.Mentiger.gen
NANO-Antivirus Trojan.Win32.Vawtrak.eviqmw
Ad-Aware Trojan.Ransom.Cerber.1
Sophos Mal/Gozi-D
Comodo TrojWare.Win32.Swizzor.LMG@6hcnyz
F-Secure Heuristic.HEUR/AGEN.1105834
DrWeb Trojan.Packed
TrendMicro Ransom_CERBER.SMEJ5
McAfee-GW-Edition Packed-AM!DD7A5EC53687
FireEye Generic.mg.dd7a5ec536878cd2
Emsisoft Trojan.Ransom.Cerber.1 (B)
APEX Malicious
Avira HEUR/AGEN.1105834
Microsoft Backdoor:Win32/Vawtrak.C
Arcabit Trojan.Ransom.Cerber.1
ZoneAlarm HEUR:Packed.Win32.Mentiger.gen
GData Trojan.Ransom.Cerber.1
Cynet Malicious (score: 100)
AhnLab-V3 HEUR/Malga.D708.X1491
Acronis suspicious
VBA32 BScope.Trojan.Jorik
ALYac Trojan.Ransom.Cerber.1
MAX malware (ai score=98)
Panda Trj/GdSda.A
ESET-NOD32 a variant of Win32/Kryptik.EHXU
Rising Trojan.Kryptik!1.AE9C (CLASSIC)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Locky.FGA!tr.ransom
AVG FileRepMalware
Paloalto generic.ml
Qihoo-360 Win32/Trojan.433

How to remove Backdoor:Win32/Vawtrak.C?

  • 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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