Categories: Malware

How to remove “Win32/Bayrob.AQ”?

The Win32/Bayrob.AQ 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/Bayrob.AQ virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Anomalous file deletion behavior detected (10+)
  • Dynamic (imported) function loading detected
  • Performs HTTP requests potentially not found in PCAP.
  • Enumerates running processes
  • Expresses interest in specific running processes
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Installs itself for autorun at Windows startup
  • Installs itself for autorun at Windows startup
  • Creates a hidden or system file
  • Likely virus infection of existing system binary
  • Creates a copy of itself

How to determine Win32/Bayrob.AQ?


File Info:

name: 2F35542D34A0164AC0BB.mlwpath: /opt/CAPEv2/storage/binaries/626d63cc2a00a08ea1d88084c03c058fedc37a1ae0a707069abe3d306e8995e4crc32: 1B94F64Emd5: 2f35542d34a0164ac0bb7a4d5553ec1csha1: 012fb0437bfeb1e682f9c1738e32e58f5eda2339sha256: 626d63cc2a00a08ea1d88084c03c058fedc37a1ae0a707069abe3d306e8995e4sha512: 904c06cf9e934c802f39bb1a4ada144f684c96c134d4ce2542f50c3b322922f12dcc903b86a5647e982c398e9c9890c822dddb9eed40a3a605aba2074967fc31ssdeep: 6144:LbKrxUVTCbVPgBe2ki5kjol92os+ps37k2FUgrk9QU15s3UTJoDEspmBlVYi:69LuR6oYoC7tUgrkZsk1vspm3Vtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T16C74F5BECD8054EFDE8291B4D50AB7B3EBAD215493E960D71280B774187C895C93FA0Bsha3_384: 7753fc135a05f69f9a887bc20ea898232686f84484128407d627a95e184117bc422372c2d5ee55277bd6ef6c4e08a97fep_bytes: 558bec83ec080fb70524b1440069c03ftimestamp: 2015-12-23 05:07:28

Version Info:

0: [No Data]

Win32/Bayrob.AQ also known as:

Bkav W32.AIDetect.malware1
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Razy.11545
FireEye Generic.mg.2f35542d34a0164a
CAT-QuickHeal TrojanSpy.Nivdort.DR3
ALYac Gen:Variant.Razy.11545
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 004db0c61 )
K7GW Trojan ( 004da1e61 )
Cybereason malicious.d34a01
Baidu Win32.Trojan.Generic.bd
Cyren W32/Nivdort.F.gen!Eldorado
Symantec Trojan.Bayrob!gen6
ESET-NOD32 a variant of Win32/Bayrob.AQ
APEX Malicious
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Razy.11545
NANO-Antivirus Trojan.Win32.Dwn.dzkvvl
Avast Win32:Malware-gen
Tencent Trojan.Win32.BitCoinMiner.la
Ad-Aware Gen:Variant.Razy.11545
Sophos ML/PE-A + Troj/Nivdort-CZ
DrWeb Trojan.DownLoader18.32085
Zillya Trojan.Tinba.Win32.4150
TrendMicro TROJ_BAYROB.SM1
McAfee-GW-Edition BehavesLike.Win32.Generic.fh
Emsisoft Gen:Variant.Razy.11545 (B)
Ikarus Trojan.Win32.Bayrob
GData Gen:Variant.Razy.11545
Jiangmin Trojan.Tinba.cmx
Avira TR/Taranis.1103
MAX malware (ai score=81)
Antiy-AVL Trojan/Generic.ASMalwS.164623B
Microsoft TrojanSpy:Win32/Nivdort.CW
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Agent.R170875
McAfee Trojan-FHPD!2F35542D34A0
VBA32 BScope.TrojanSpy.Nivdort
Malwarebytes Trojan.Bayrob.Generic
TrendMicro-HouseCall TROJ_BAYROB.SM1
Rising Malware.Heuristic!ET#100% (RDMK:cmRtazopZvEbTrIkLZTsCstvFWV4)
Yandex Trojan.GenAsa!6dwgJbh9h/0
SentinelOne Static AI – Malicious PE
Fortinet W32/Bayrob.AQ!tr
BitDefenderTheta AI:Packer.88D43BFD1E
AVG Win32:Malware-gen
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_100% (D)
MaxSecure Trojan.Malware.300983.susgen

How to remove Win32/Bayrob.AQ?

  • 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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