Categories: Malware

About “Malware.AI.4277379836” infection

The Malware.AI.4277379836 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 Malware.AI.4277379836 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Possible date expiration check, exits too soon after checking local time
  • Guard pages use detected – possible anti-debugging.
  • Dynamic (imported) function loading detected
  • Enumerates the modules from a process (may be used to locate base addresses in process injection)
  • Enumerates running processes
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Attempts to remove evidence of file being downloaded from the Internet
  • Sniffs keystrokes
  • Behavioural detection: Injection (inter-process)
  • Behavioural detection: Injection with CreateRemoteThread in a remote process
  • A process attempted to delay the analysis task by a long amount of time.
  • Collects and encrypts information about the computer likely to send to C2 server
  • Installs itself for autorun at Windows startup
  • Accessed credential storage registry keys
  • Anomalous binary characteristics

How to determine Malware.AI.4277379836?


File Info:

name: F37E5B9B3D66B8C31DB1.mlwpath: /opt/CAPEv2/storage/binaries/cf8eeed6a4179926e8e88b0a76ad30c49e8f12101ef6c849204fa0696f713851crc32: 2B7FFBE5md5: f37e5b9b3d66b8c31db15520060f3f03sha1: fa81a7e900c04e739f20dd917d69612b8dba95dasha256: cf8eeed6a4179926e8e88b0a76ad30c49e8f12101ef6c849204fa0696f713851sha512: 3958d03481bb444aba4957845b75a2115a3a905d44eb874569c09a209fa0c375a6ec2369ce51adcce6ae60d3aa07829da95e6f14757665838955c52e2172d8d6ssdeep: 24576:Ftb20pk0CqT5TBWgNQ7aqQnCtURYCsVbkZy6n2ZXGmnFVq63Pl2hog6AM:2ng5tQ7a/Ct6xsVYZ1KX9fZt2n5Mtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T12295D023B79FC220E3B150B7BA2277805F7F78131B69F5769E604C7AD494AA11A4F123sha3_384: 4eb356e949b5235eca6bf5a3c151fd8bb1cabca52d7d393d1842ac033c9c4385e0f5fe309daa15719478670de223cc46ep_bytes: e86ace0000e97ffeffffcccc57568b74timestamp: 2016-06-07 19:21:19

Version Info:

FileVersion: 1.4.1.5Comments: Prisoner usesFileDescription: Battleship oxygensProductVersion: 3.3.12.0LegalCopyright: Reductions twigsTranslation: 0x0809 0x04b0

Malware.AI.4277379836 also known as:

Bkav W32.AIDetect.malware2
MicroWorld-eScan AIT:Trojan.Nymeria.1245
FireEye Generic.mg.f37e5b9b3d66b8c3
McAfee GenericR-KAY!F37E5B9B3D66
Cylance Unsafe
CrowdStrike win/malicious_confidence_80% (D)
ESET-NOD32 a variant of Win32/Injector.Autoit.CKJ
APEX Malicious
Kaspersky UDS:Trojan-Dropper.Win32.Injector.sb
BitDefender AIT:Trojan.Nymeria.1245
Avast Win32:Trojan-gen
Tencent Malware.Win32.Gencirc.10c125f5
Ad-Aware AIT:Trojan.Nymeria.1245
Sophos ML/PE-A + Mal/AuItInj-C
DrWeb VBS.Packed.5
McAfee-GW-Edition BehavesLike.Win32.Generic.tc
Emsisoft AIT:Trojan.Nymeria.1245 (B)
GData AIT:Trojan.Nymeria.1245 (2x)
Avira HEUR/AGEN.1100104
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/AutoInj.Exp
BitDefenderTheta AI:Packer.2033346E17
ALYac AIT:Trojan.Nymeria.1245
MAX malware (ai score=80)
VBA32 TrojanDropper.Autit
Malwarebytes Malware.AI.4277379836
Ikarus Trojan-Spy.HawkEye
eGambit Unsafe.AI_Score_92%
Fortinet AutoIt/Injector.ECS!tr
AVG Win32:Trojan-gen
Cybereason malicious.b3d66b
MaxSecure Trojan.Malware.300983.susgen

How to remove Malware.AI.4277379836?

  • 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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