Categories: Malware

How to remove “Win32/Kryptik.AYOC”?

The Win32/Kryptik.AYOC 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/Kryptik.AYOC virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Sample contains Overlay data
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Steals private information from local Internet browsers
  • Exhibits behavior characteristic of Pony malware
  • Collects information about installed applications
  • Harvests cookies for information gathering
  • Harvests credentials from local FTP client softwares
  • Harvests information related to installed mail clients

How to determine Win32/Kryptik.AYOC?


File Info:

name: 02E8B41389520CC98C4B.mlwpath: /opt/CAPEv2/storage/binaries/a64fa27d4cdaeeab751504f586a31b605ab2fc1132f73f1b54fe8739a1e11d0fcrc32: FFE86DDEmd5: 02e8b41389520cc98c4ba395c5441c76sha1: e649c726b4ab724a5e1bdd3e0b7a8a6d46354b14sha256: a64fa27d4cdaeeab751504f586a31b605ab2fc1132f73f1b54fe8739a1e11d0fsha512: 250e6766cde35276e9daafa0e1257cee138b681f7c4d6c8d0ea19d2f3ede11783fc257ecaf1d68c10dd2d218c7ee8b905a25a871f19eb6435ca5e84d4ee3ab35ssdeep: 1536:YMCvQLBssh/rPjvftW40FvME//ndDbepulDWDFi:Yv6BswvI40N//ndD6EiDFitype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T17E63E196D2CAFD26C1CA92B8666AE0F054B04773F758D0025FE4AB14CD36246DA34FE7sha3_384: 991694f284f80e4d414dcc6c083082e277b23c6574d891d77c426b16f7bb08c43c0c7959436937db41508634a97aece7ep_bytes: 64a1000000005589e56aff681c504000timestamp: 2013-04-11 10:48:11

Version Info:

0: [No Data]

Win32/Kryptik.AYOC also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.lJh9
DrWeb Trojan.PWS.Stealer.1932
MicroWorld-eScan Gen:Variant.Zbot.106
FireEye Generic.mg.02e8b41389520cc9
ALYac Gen:Variant.Zbot.106
Cylance Unsafe
VIPRE Gen:Variant.Zbot.106
Cybereason malicious.389520
BitDefenderTheta Gen:NN.ZexaF.34786.eqX@aaZgvuoi
Symantec ML.Attribute.HighConfidence
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Kryptik.AYOC
TrendMicro-HouseCall TROJ_KRYPTO.SMAX
Paloalto generic.ml
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Variant.Zbot.106
NANO-Antivirus Trojan.Win32.Tepfer.bnyxvl
Avast Win32:Malware-gen
Tencent Win32.Init.QQRob.bcq
Ad-Aware Gen:Variant.Zbot.106
TACHYON Trojan-PWS/W32.Tepfer.72192.E
Sophos Generic ML PUA (PUA)
Comodo Malware@#2q4ciqmyywpy6
Zillya Trojan.Tepfer.Win32.52621
TrendMicro TROJ_KRYPTO.SMAX
McAfee-GW-Edition BehavesLike.Win32.Dropper.lc
Trapmine malicious.high.ml.score
Emsisoft Gen:Variant.Zbot.106 (B)
Ikarus Trojan.Win32.Revoyem
GData Gen:Variant.Zbot.106
Webroot W32.Malware.Gen
Avira HEUR/AGEN.1215692
Kingsoft Win32.Heur.KVMH004.a.(kcloud)
Arcabit Trojan.Zbot.106
Microsoft Trojan:Win32/Gepys.A!MTB
Cynet Malicious (score: 100)
McAfee Artemis!02E8B4138952
MAX malware (ai score=87)
VBA32 SScope.Malware-Cryptor.Carberp.2313
Malwarebytes Malware.Heuristic.1001
APEX Malicious
Rising Trojan.Generic@AI.83 (RDML:o+E8CxDixZkyXF86qLibGA)
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Kryptik.AYTT!tr
AVG Win32:Malware-gen
Panda Generic Malware
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Kryptik.AYOC?

  • 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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