Categories: Malware

Should I remove “Win32:Crypto-V [Trj]”?

The Win32:Crypto-V [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:Crypto-V [Trj] virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Expresses interest in specific running processes
  • Manipulates data from or to the Recycle Bin
  • CAPE extracted potentially suspicious content
  • Unconventionial language used in binary resources: Catalan
  • The binary contains an unknown PE section name indicative of packing
  • Authenticode signature is invalid
  • Tries to suspend Cuckoo threads to prevent logging of malicious activity
  • Behavioural detection: Injection (inter-process)
  • Tries to unhook or modify Windows functions monitored by Cuckoo
  • Installs itself for autorun at Windows startup
  • CAPE detected the Ramnit malware family

How to determine Win32:Crypto-V [Trj]?


File Info:

name: 3CBE301F8B301DF906DB.mlwpath: /opt/CAPEv2/storage/binaries/1f7ea0c62aa6674f17b3b5ce79b431ea32ad6e45f1b1f0edb0ac6244e4eebd0bcrc32: E08EF70Emd5: 3cbe301f8b301df906db2e3cdf979485sha1: 66125130302cb030bf67968565a047189d74371fsha256: 1f7ea0c62aa6674f17b3b5ce79b431ea32ad6e45f1b1f0edb0ac6244e4eebd0bsha512: 07640458b7fc8d88e036f52ba1b84cb1c2efda19aa6d8c90fc4ab3853caf5060417348f43582fa00274d2fd19e9853129b95c3c1d9bce2716792b7328226bf80ssdeep: 768:806R0UugnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9IC3:CR0Cn3Pc0LCH9MtbvabUDzJYWu3Bgtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T183C3CF46B574A5DEF2AE8A344455FB815F39BC260EF3C57A306C328FAE35C858A4072Dsha3_384: 66d484fd00b267aad1432e275f32d47f47b4070876bd7af81d7be1603d08026d35402217b76f53105ccda5dac1ded3dfep_bytes: 558bec83ec2c8165ec000000008d5b56timestamp: 2000-01-23 06:59:58

Version Info:

CompanyName: Macromedia, Inc.FileDescription: Macromedia Flash Player 7.0 r19FileVersion: 7,0,19,0InternalName: Macromedia Flash Player 7.0LegalCopyright: Copyright © 1996-2003 Macromedia, Inc.LegalTrademarks: Macromedia Flash PlayerOriginalFilename: SAFlashPlayer.exeProductName: Shockwave FlashProductVersion: 7,0,19,0Translation: 0x0409 0x04b0

Win32:Crypto-V [Trj] also known as:

Bkav W32.FamVT.DisbukCI.Trojan
Lionic Trojan.Win32.Generic.lIHt
DrWeb Trojan.Siggen2.9448
MicroWorld-eScan Win32.Virtob.Gen.12
FireEye Generic.mg.3cbe301f8b301df9
CAT-QuickHeal W32.Virut.G
Cylance Unsafe
VIPRE Win32.Virtob.Gen.12
Sangfor Suspicious.Win32.Save.a
K7AntiVirus Virus ( f10002001 )
K7GW Virus ( f10002001 )
Cybereason malicious.f8b301
BitDefenderTheta AI:FileInfector.C9457D4313
VirIT Win32.Scribble.GenQ
Cyren W32/Ramnit.F.gen!Eldorado
Symantec Packed.Protexor!gen1
Elastic malicious (high confidence)
ESET-NOD32 a variant of Win32/Ramnit.AU.Gen
TrendMicro-HouseCall WORM_PALEVO.SMGD
ClamAV Win.Virus.Virut-6804273-0
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Win32.Virtob.Gen.12
NANO-Antivirus Trojan.Win32.Ramnit.bbgdmp
SUPERAntiSpyware Trojan.Agent/Gen-Ramnit
Avast Win32:Crypto-V [Trj]
Tencent Trojan.Win32.Koobface.udb
Ad-Aware Win32.Virtob.Gen.12
Sophos ML/PE-A + Mal/Ramnit-ZZ
Comodo TrojWare.Win32.Kryptik.ILZ@39m3x2
Baidu Win32.Trojan.Nimnul.a
Zillya Trojan.Kryptik.Win32.89109
TrendMicro WORM_PALEVO.SMGD
McAfee-GW-Edition BehavesLike.Win32.Pate.ct
Trapmine malicious.high.ml.score
Emsisoft Win32.Virtob.Gen.12 (B)
SentinelOne Static AI – Malicious PE
GData Win32.Virtob.Gen.12
Jiangmin Packed.Krap.dljx
Webroot W32.Trojan.Krap.Gen
Avira TR/Crypt.XPACK.Gen
MAX malware (ai score=80)
Arcabit Win32.Virtob.Gen.12
ViRobot Worm.Win32.A.Net-Koobface.126464
Microsoft Trojan:Win32/Ramnit
Cynet Malicious (score: 100)
AhnLab-V3 Trojan/Win32.Krap.R20076
McAfee PWS-Zbot.gen.di
TACHYON Trojan/W32.Krap.129536.BK
VBA32 Malware-Cryptor.Win32.General.4
Malwarebytes Nimnul.Virus.FileInfector.DDS
APEX Malicious
Rising Win32.Ramnit.m (CLASSIC)
Yandex Trojan.GenAsa!MLownxgq9A8
Ikarus Virus.Win32.Ramnit
MaxSecure Packed.Krap.ar
Fortinet W32/CoinMiner.F
AVG Win32:Crypto-V [Trj]
Panda Trj/Pck_Pretorx.A
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32:Crypto-V [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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