Categories: Trojan

About “TrojanDownloader:O97M/Obfuse.YAU!MTB” infection

The TrojanDownloader:O97M/Obfuse.YAU!MTB 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:O97M/Obfuse.YAU!MTB virus can do?

  • The office file has a unconventional code page: ANSI Cyrillic; Cyrillic (Windows)
  • The office file contains 2 macros
  • The office file contains a macro with auto execution
  • The office file contains anomalous features
  • The office file contains a macro with potential indicators of compromise
  • The office file contains a macro with suspicious strings

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine TrojanDownloader:O97M/Obfuse.YAU!MTB?


File Info:

crc32: 8D1F856Fmd5: e2b561c53aeb451f2e07e7d372a64707name: upload_filesha1: cbb8696f5accf1ab344c316712b5909691b01800sha256: 046dca5d6e5278c4abd13871ec836a5e5d0b11dfe24e83630b552be873923eccsha512: 726af82c63b5607332fdc67705d9b3832261a3b224c4c9b0afa0ccfa98572527449da63d85a10fa44c546f86ab807729cffc31540eaf48766b83a8a1512becb1ssdeep: 12288:U4GJ6RpD0y4oP2ObQm4ISGdkHAJ9qzTf60ScA7537ZZCnNpKtqOL1KZ5jKVjWgF:PGSXr2Ocm7SCkHo9qf6FwnL2jQTsvtype: Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1251, Author: 1, Template: Normal.dotm, Last Saved By: 1, Revision Number: 7, Name of Creating Application: Microsoft Office Word, Total Editing Time: 06:00, Create Time/Date: Mon Oct 5 16:45:00 2020, Last Saved Time/Date: Mon Oct 5 16:52:00 2020, Number of Pages: 1, Number of Words: 0, Number of Characters: 1, Security: 0

Version Info:

0: [No Data]

TrojanDownloader:O97M/Obfuse.YAU!MTB also known as:

DrWeb W97M.Siggen.1346
ClamAV Doc.Malware.Generic-9775351-0
CAT-QuickHeal O97M.Trojan.39341
AegisLab Trojan.Script.Generic.4!c
K7AntiVirus Trojan ( 0056edf51 )
K7GW Trojan ( 0056edf51 )
Arcabit VB:Trojan.VBS.Agent.BOS
Invincea Troj/DocDrp-YZ
Cyren W97M/Agent
Symantec W97M.Downloader
TrendMicro-HouseCall TROJ_FRS.0NA104J720
Avast Script:SNH-gen [Trj]
Cynet Malicious (score: 85)
Kaspersky HEUR:Trojan.Script.Generic
BitDefender VB:Trojan.VBS.Agent.BOS
NANO-Antivirus Trojan.Ole2.Vbs-heuristic.druvzi
MicroWorld-eScan VB:Trojan.VBS.Agent.BOS
Ad-Aware VB:Trojan.VBS.Agent.BOS
Emsisoft VB:Trojan.VBS.Agent.BOS (B)
Comodo Malware@#2ff9pt2wnlxss
F-Secure Malware.VBS/Drop.Agent.gcmyc
TrendMicro TROJ_FRS.0NA104J720
McAfee-GW-Edition BehavesLike.OLE2.Downloader.tg
FireEye VB:Trojan.VBS.Agent.BOS
Sophos Troj/DocDrp-YZ
Ikarus Trojan-Dropper.VBA.Agent
Avira VBS/Drop.Agent.gcmyc
Antiy-AVL Trojan[Downloader]/MSOffice.Agent
Microsoft TrojanDownloader:O97M/Obfuse.YAU!MTB
ViRobot DOC.Z.Agent.1061888
ZoneAlarm HEUR:Trojan.Script.Generic
GData VB:Trojan.VBS.Agent.BOS
AhnLab-V3 Dropper/DOC.Generic
ALYac Trojan.Downloader.DOC.Gen
TACHYON Suspicious/W97M.Obfus.Gen.8
Zoner Probably Heur.W97Obfuscated
ESET-NOD32 VBA/TrojanDropper.Agent.BON
Rising Downloader.Obfuse!8.105AD (TOPIS:E0:cR9Z2TmxXMR)
SentinelOne DFI – Malicious OLE
Fortinet VBA/Agent.5215!tr
AVG Script:SNH-gen [Trj]
Qihoo-360 Generic/Trojan.Script.ed4

How to remove TrojanDownloader:O97M/Obfuse.YAU!MTB?

  • 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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