Categories: Trojan

TrojanDownloader:Win32/Stegvob.C malicious file

The TrojanDownloader:Win32/Stegvob.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 TrojanDownloader:Win32/Stegvob.C virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • A process created a hidden window
  • Drops a binary and executes it
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Uses Windows utilities for basic functionality
  • Deletes its original binary from disk
  • Behavioural detection: Injection (inter-process)
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Uses suspicious command line tools or Windows utilities

How to determine TrojanDownloader:Win32/Stegvob.C?


File Info:

name: 064CD33294F53CEB4D25.mlwpath: /opt/CAPEv2/storage/binaries/2518165d2ca14cd069ccfe00f6e1b9b70a3eab09160dc9c41e0eda8b1fb58cb0crc32: E187DF38md5: 064cd33294f53ceb4d252174aa6ce962sha1: 074491d9a242de876aa93f6e7a0736ecd650844asha256: 2518165d2ca14cd069ccfe00f6e1b9b70a3eab09160dc9c41e0eda8b1fb58cb0sha512: d7089df7de58e896e8f5125979dcd0fda3b5d9f301bafc3cbd3c60ffe755d636a8e2133b2f2d82f19e034d8673562c4be45fef7d5080933c7cddfba8b87841c3ssdeep: 24576:w+0peow6/GmPN760aABzSbE0nc4v2o6IsQPTYDIH17GwoYz:OTbVSrz6nWH1GPGtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T172457C13B291843BC0260B755D3B9371653E7F702A86A957BFF01E4E1FB9680293E267sha3_384: c0c6d4106043cb45bb5243105e3412055ee5b6b46f6ab358fd928cd3b5090c5532768686af429baacaa12ce68de613c9ep_bytes: eb1066623a432b2b484f4f4b90e9aca0timestamp: 2012-11-10 15:06:43

Version Info:

0: [No Data]

TrojanDownloader:Win32/Stegvob.C also known as:

Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.064cd33294f53ceb
CAT-QuickHeal TrojanDownloader.Stegvob.C9
McAfee Downloader-FFF
Cylance Unsafe
K7AntiVirus Trojan ( 0040f71f1 )
K7GW Trojan ( 0040f71f1 )
Cybereason malicious.294f53
Baidu Win32.Trojan-Downloader.Delf.c
VirIT Worm.Win32.Generic.CNBT
Cyren W32/Stegvob.A.gen!Eldorado
Symantec Downloader
ESET-NOD32 a variant of Win32/Tophos.D
APEX Malicious
ClamAV Win.Trojan.Agent-1344629
Kaspersky Trojan-Downloader.Win32.Agent.gzck
BitDefender Gen:Variant.Bulz.179197
NANO-Antivirus Trojan.Win32.Agent.cqyyqt
SUPERAntiSpyware Trojan.Agent/Gen-Stegvob
MicroWorld-eScan Gen:Variant.Bulz.179197
Avast Win32:SMSSend-AKU [Trj]
Tencent Malware.Win32.Gencirc.114b422a
Emsisoft Gen:Variant.Bulz.179197 (B)
Comodo TrojWare.Win32.TrojanDownloader.Delf.httr@4sijk5
DrWeb Win32.HLLW.Tophos.1
VIPRE Trojan.Win32.Generic!BT
TrendMicro WORM_TOPHOS.SM
McAfee-GW-Edition BehavesLike.Win32.Dropper.th
Sophos ML/PE-A + Mal/Dloadr-BJ
Jiangmin TrojanDownloader.Delf.agbi
Avira TR/Stegvob.665987
MAX malware (ai score=80)
Antiy-AVL Trojan/Generic.ASBOL.7D9
Microsoft TrojanDownloader:Win32/Stegvob.C
ZoneAlarm Trojan-Downloader.Win32.Agent.gzck
GData Win32.Trojan-Dropper.Agent.AQ
AhnLab-V3 Trojan/Win32.Agent.R45361
BitDefenderTheta Gen:NN.ZexaF.34182.hLX@a0H0jwei
ALYac Gen:Variant.Bulz.179197
VBA32 BScope.Worm.Tophos.2612
Malwarebytes PUP.Optional.SMSPay
TrendMicro-HouseCall WORM_TOPHOS.SM
Rising Trojan.PhotoMiner!1.68B5 (RDMK:cmRtazojGF7wVLetJLEfjPpo/G6a)
Yandex Trojan.GenAsa!NFA04e2hN38
Ikarus Virus.Win32.Sality
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Dloadr.BJ!tr.dldr
AVG Win32:SMSSend-AKU [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_90% (W)

How to remove TrojanDownloader:Win32/Stegvob.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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