Categories: Malware

Win32/Kryptik.GVAX (file analysis)

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

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Unconventionial language used in binary resources: Russian
  • Anomalous binary characteristics

How to determine Win32/Kryptik.GVAX?


File Info:

crc32: 0FF13A9Fmd5: 97cbd99bafda2c1207bb930be8c83bf7name: 97CBD99BAFDA2C1207BB930BE8C83BF7.mlwsha1: 98f6a64d20ab0ce9d40a56371b8392f4ee42f8c6sha256: 984ab421576219b21ed4e2cf6ce35fe7a9995cafc6df793a121b11e22a64770asha512: f140414159cdb6a467f155e798c19304a15ca943094fe8bb06d6ae0a934aa4a182a3c102bb3263cfdbc62bfdd4931cc1b5c3b719880108614ad36c04fd473f34ssdeep: 3072:Zl29MaGtI5PoFWhi1sHTkQZYNqlKLXnRp:Zl29MIMGajLXTtype: PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows

Version Info:

FileVersion: 2.66CompanyName: NirSoftProductName: NirCmdProductVersion: 2.66FileDescription: NirCmdOriginalFilename: NirCmd.exeTranslation: 0x0409 0x04b0

Win32/Kryptik.GVAX also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 004f8bc31 )
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.5047
Cynet Malicious (score: 100)
ALYac Trojan.Ransom.Cerber
Cylance Unsafe
Zillya Trojan.CryptXXX.Win32.638
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (D)
Alibaba Ransom:Win32/CryptXXX.751d01e4
K7GW Trojan ( 004f8bc31 )
Cybereason malicious.bafda2
Cyren W32/S-b308e227!Eldorado
Symantec Ransom.CryptXXX!g17
ESET-NOD32 a variant of Win32/Kryptik.GVAX
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.CryptXXX.asdgxe
BitDefender Gen:Variant.Ransom.CryptXXX.1
NANO-Antivirus Trojan.Win32.Kryptik.fjnrhj
MicroWorld-eScan Gen:Variant.Ransom.CryptXXX.1
Tencent Malware.Win32.Gencirc.10b589a7
Ad-Aware Gen:Variant.Ransom.CryptXXX.1
Sophos Mal/Generic-S
Comodo Malware@#qx2xcqdwv05n
BitDefenderTheta Gen:NN.ZexaF.34686.gy1@a0YXMDjU
VIPRE Trojan.Win32.Generic!BT
TrendMicro Ransom_HPCRYPMIC.SM4
McAfee-GW-Edition BehavesLike.Win32.Dropper.ch
FireEye Generic.mg.97cbd99bafda2c12
Emsisoft Gen:Variant.Ransom.CryptXXX.1 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.CryptXXX.adn
Avira HEUR/AGEN.1128192
eGambit Unsafe.AI_Score_99%
Microsoft Ransom:Win32/Tovicrypt!rfn
AegisLab Trojan.Win32.CryptXXX.4!c
GData Gen:Variant.Ransom.CryptXXX.1
AhnLab-V3 Trojan/Win32.CryptXXX.R188042
Acronis suspicious
McAfee Artemis!97CBD99BAFDA
MAX malware (ai score=100)
VBA32 TrojanRansom.Tovicrypt
Malwarebytes Ransom.CryptXXX
Panda Trj/Genetic.gen
TrendMicro-HouseCall Ransom_HPCRYPMIC.SM4
Rising Ransom.CryptXXX!8.5DF0 (CLOUD)
Yandex Trojan.GenAsa!rPlCHhCY5Gw
Ikarus Trojan-Ransom.Tovicrypt
Fortinet W32/Kryptik.FNZR!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Kryptik.GVAX?

  • 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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