Categories: Malware

Win32/ExtenBro.AA (file analysis)

The Win32/ExtenBro.AA 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 Win32/ExtenBro.AA virus can do?

  • Possible date expiration check, exits too soon after checking local time
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • A process created a hidden window
  • HTTP traffic contains suspicious features which may be indicative of malware related traffic
  • Performs some HTTP requests
  • Unconventionial language used in binary resources: Russian
  • The binary likely contains encrypted or compressed data.
  • Uses Windows utilities for basic functionality
  • Steals private information from local Internet browsers

Related domains:

suppasml.ru

How to determine Win32/ExtenBro.AA?


File Info:

crc32: AAA4BBE8md5: 8453b98e4c0e9e646e46aa113f71dd06name: 8453B98E4C0E9E646E46AA113F71DD06.mlwsha1: 72e98eff79a75ca8391383eee023a79fbed70100sha256: 4aa6c0a862600e8affc909897f825350052ea19a320a29b2d8cbfe13740d4b13sha512: b11ba392756f77d1be2fa83099acf8f2a53633267fdde788fe3a39184f8961435e07f7058e8eaada143f268fb66c4f67f890ae8b88a3cf9e8b0a5c2015ae42a8ssdeep: 49152:JzcckXxfpHPO33PdtYbTO8ebz1KGubz1KG4bz1KG0Gd:JzccexfZPm3bWi1KGS1KGo1KGtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/ExtenBro.AA also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Script.Generic.4!c
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader11.28216
ClamAV Win.Ransomware.GandCrab-9855152-0
ALYac Gen:Variant.Doina.11269
Malwarebytes Adware.ExtenBro
Zillya Trojan.Black.Win32.19117
CrowdStrike win/malicious_confidence_60% (W)
Alibaba Trojan:Script/ExtenBro.cbd9fac3
K7GW Trojan ( 004b9cab1 )
K7AntiVirus Trojan ( 004b9cab1 )
Cyren JS/Cryxos.C!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/ExtenBro.AA
APEX Malicious
Avast FileRepMalware
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Script.Generic
BitDefender Gen:Variant.Doina.11269
NANO-Antivirus Trojan.Win32.SmileOnline.dtacfp
ViRobot Trojan.Win32.Z.Extenbro.1703424
MicroWorld-eScan Gen:Variant.Doina.11269
Tencent Malware.Win32.Gencirc.10cf8921
Ad-Aware Gen:Variant.Doina.11269
Sophos Mal/Generic-S
TrendMicro TROJ_GEN.R002C0PKJ21
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
FireEye Generic.mg.8453b98e4c0e9e64
Emsisoft Gen:Variant.Doina.11269 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan/Generic.bdwyb
Avira TR/Downloader.Gen4
eGambit Unsafe.AI_Score_97%
Antiy-AVL Trojan/Generic.ASMalwS.3497DCA
Microsoft Trojan:Win32/Wacatac.B!ml
GData Gen:Variant.Doina.11269
AhnLab-V3 Trojan/Win.HDC.R449906
McAfee GenericRXQS-DF!8453B98E4C0E
MAX malware (ai score=88)
VBA32 BScope.Trojan.Downloader
Panda Trj/Genetic.gen
TrendMicro-HouseCall TROJ_GEN.R002C0PKJ21
Rising Adware.CrxInstall!1.C85C (CLASSIC)
Yandex Trojan.GenAsa!2V1WtK537yo
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/ExtenBro.AA!tr
AVG FileRepMalware
Paloalto generic.ml

How to remove Win32/ExtenBro.AA?

  • 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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