Categories: Trojan

What is “AIT:Trojan.Nymeria.4899”?

The AIT:Trojan.Nymeria.4899 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 AIT:Trojan.Nymeria.4899 virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • Unconventionial binary language: Chinese (Simplified)
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Authenticode signature is invalid
  • Anomalous binary characteristics

How to determine AIT:Trojan.Nymeria.4899?


File Info:

name: 0BB814D4A1E881FAE438.mlwpath: /opt/CAPEv2/storage/binaries/818e6af607935be6395a9cbe700f5fea23a523ba8329523e2f0d637a8e34ea2fcrc32: EA2F2169md5: 0bb814d4a1e881fae438644aa0a8deccsha1: 63073e41d5416a2362f5bf2bede65a73aed2c6d4sha256: 818e6af607935be6395a9cbe700f5fea23a523ba8329523e2f0d637a8e34ea2fsha512: b0a675901e423b209936cbbae28e12331ee8015f07d19e82df2131aa008d2aec78032da197223bde5cab50512ae5fc473ea7910e02ce8d38ec490ede9756be77ssdeep: 12288:+i+ETezCHQkZPhprhmH6ukWAljnQlnl2OdpbxZDmRmFaoIhsJMY:+iQsFhBhmAWAdnQxlfj6YaDKqYtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1A5F4AF22F5D78072C5A22271CDBEF776963DB93A0323C6EB27C81D355EA0541762A372sha3_384: 5513d21a18cba0c1fda001f5594a216aa4a20f0f65a9bbaffefa8300ba62bdec4b064f53c6b035af958a99b6dd3c1488ep_bytes: e8dec20000e989feffffcccccccccccctimestamp: 2012-02-04 22:43:24

Version Info:

FileVersion: 0.0.0.205Comments: 本地KMS激活,无需联网FileDescription: HEU KMS ActivatorLegalCopyright: Copyright(C) 2012-2013 By ZbezjCompanyName: HEU CNSTTranslation: 0x0804 0x04b0

AIT:Trojan.Nymeria.4899 also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
MicroWorld-eScan AIT:Trojan.Nymeria.4899
FireEye Generic.mg.0bb814d4a1e881fa
ALYac AIT:Trojan.Nymeria.4899
Cylance Unsafe
K7AntiVirus Trojan ( 700000111 )
K7GW Trojan ( 700000111 )
Cybereason malicious.1d5416
Cyren W32/Trojan.IJBN-1595
Symantec Trojan.ADH
ESET-NOD32 a variant of Win32/HackKMS.Z potentially unsafe
APEX Malicious
ClamAV Win.Malware.Autoit-6753917-0
BitDefender AIT:Trojan.Nymeria.4899
Avast Win32:PUP-gen [PUP]
Ad-Aware AIT:Trojan.Nymeria.4899
Sophos Generic ML PUA (PUA)
Comodo TrojWare.Win32.Hider.REXR@5364l6
Emsisoft AIT:Trojan.Nymeria.4899 (B)
GData Win32.Riskware.HackKMS.L
Avira TR/Dropper.Gen
ViRobot Trojan.Win32.A.Agent.690283
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 99)
AhnLab-V3 Unwanted/Win32.KMSActivator.R202307
MAX malware (ai score=82)
VBA32 IMWorm.Sohanad
Malwarebytes RiskWare.KMS
Yandex Trojan.GenAsa!i9rai7w7/WE
MaxSecure Trojan.Malware.300983.susgen
AVG Win32:PUP-gen [PUP]
CrowdStrike win/malicious_confidence_70% (D)

How to remove AIT:Trojan.Nymeria.4899?

  • 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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