Categories: Malware

Win32:Kryptik-KWD [Trj] removal tips

The Win32:Kryptik-KWD [Trj] 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-KWD [Trj] virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Attempts to connect to a dead IP:Port (21 unique times)
  • Dynamic (imported) function loading detected
  • Starts servers listening on 127.0.0.1:0
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Exhibits behavior characteristic of Kelihos malware
  • Installs itself for autorun at Windows startup
  • Collects information about installed applications
  • Attempts to access Bitcoin/ALTCoin wallets
  • Harvests credentials from local FTP client softwares
  • Installs WinPCAP
  • Anomalous binary characteristics

How to determine Win32:Kryptik-KWD [Trj]?


File Info:

name: AB274E44D7144B67E51E.mlwpath: /opt/CAPEv2/storage/binaries/a8197fdf96d814abc62be7f580f3266c7a1e1efdd2b5ff8d8eab51261591d366crc32: A281D38Cmd5: ab274e44d7144b67e51e96b27297bd17sha1: f829581157108b2d5d4d2004a187f3b09b984177sha256: a8197fdf96d814abc62be7f580f3266c7a1e1efdd2b5ff8d8eab51261591d366sha512: 0eed35f53b022898697b740880f07ef7d9b8fe75df501dd50d77b8e1dd7eec275d384d51f77f987bbfa4913f62093fe75c24bee971b41fea6323c9f0837e8bc1ssdeep: 12288:rSAmM3i+QPGj6fS9cI7iDknYnv57rq+wzoNNdaCGdCRJxK2iJTEunBZOXOqAkH0b:OAm6CGVW4YnvtJwzoNDffxFuBkXOMH0+type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T103F42371AA4880A9D4D1F538F5034A899A13FE096B361F72F0FA32317E33563A194ED9sha3_384: 5cc5e9236423f00c618f0cbb761005d4dd49d123d3b54a5ef3a605ba31d8ba87dbcfa2fd1333622202a3453661ba9f26ep_bytes: be30204000bf02304000a5ff57fc66b8timestamp: 2012-02-22 15:47:33

Version Info:

0: [No Data]

Win32:Kryptik-KWD [Trj] also known as:

Lionic Trojan.Win32.Generic.lmka
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.Lethic.B
McAfee BackDoor-FJW
Cylance Unsafe
Zillya Trojan.Tepfer.Win32.28274
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Trojan ( 0040797b1 )
K7GW Trojan ( 0040797b1 )
Cybereason malicious.4d7144
Baidu Win32.Trojan.Kryptik.hs
VirIT Backdoor.Win32.Generic.VWU
Cyren W32/Zbot.GU.gen!Eldorado
Symantec SecShieldFraud!gen10
ESET-NOD32 a variant of Win32/Kryptik.AQQW
APEX Malicious
ClamAV Win.Spyware.Tepfer-776
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Trojan.VIZ.Gen.1
NANO-Antivirus Virus.Win32.Gen.ccmw
ViRobot Trojan.Win32.A.PSW-Tepfer.759296.BV
MicroWorld-eScan Trojan.VIZ.Gen.1
Avast Win32:Kryptik-KWD [Trj]
Tencent Win32.Init.QQRob.cmvf
Emsisoft Trojan.VIZ.Gen.1 (B)
Comodo TrojWare.Win32.Kryptik.AQRJ@4snilp
DrWeb BackDoor.Slym.1387
VIPRE VirTool.Win32.Obfuscator.da!j (v)
TrendMicro BKDR_KELIHOS.SM
McAfee-GW-Edition BehavesLike.Win32.VirRansom.bc
FireEye Generic.mg.ab274e44d7144b67
Sophos ML/PE-A + Mal/Zbot-KR
SentinelOne Static AI – Malicious PE
Jiangmin Trojan/Tepfer.Gen
Webroot W32.Malware.Gen
Avira TR/PSW.Tepfer.EB.8
MAX malware (ai score=81)
Kingsoft Win32.Heur.KVMH004.a.(kcloud)
Microsoft Backdoor:Win32/Kelihos.F
SUPERAntiSpyware Trojan.Agent/Gen-RogueRel
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Trojan.VIZ.Gen.1
AhnLab-V3 Trojan/Win32.FakeAV.R47809
BitDefenderTheta Gen:NN.ZexaF.34182.UqW@aWO!Cvo
ALYac Trojan.VIZ.Gen.1
VBA32 OScope.Malware-Cryptor.SB.01705
Malwarebytes Malware.AI.2508706408
TrendMicro-HouseCall BKDR_KELIHOS.SM
Rising Trojan.Bulta!8.35D (CLOUD)
Yandex Trojan.GenAsa!QJgqYP5NmaY
Ikarus Trojan-PSW.Win32.Tepfer
Fortinet W32/Kryptik.AQHW!tr
AVG Win32:Kryptik-KWD [Trj]
Panda Trj/Genetic.gen
CrowdStrike win/malicious_confidence_70% (D)

How to remove Win32:Kryptik-KWD [Trj]?

  • 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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