Categories: Trojan

Trojan.Win32.VBKrypt.yyyq (file analysis)

The Trojan.Win32.VBKrypt.yyyq 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 Trojan.Win32.VBKrypt.yyyq virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • Dynamic (imported) function loading detected
  • Reads data out of its own binary image
  • A process created a hidden window
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • A scripting utility was executed
  • Created a process from a suspicious location
  • Installs itself for autorun at Windows startup
  • A script process created a new process
  • Anomalous binary characteristics

How to determine Trojan.Win32.VBKrypt.yyyq?


File Info:

name: F35F5A54FC8D8C6F4C68.mlwpath: /opt/CAPEv2/storage/binaries/92443b00c2e8ed22c75bd09b73bf25e9fcd02f0460dcb0f3a9a84ca5e0e4e9cacrc32: 294E0F72md5: f35f5a54fc8d8c6f4c689a30abeab9e0sha1: 6151135efe0a83e7df0351c97b8f72bd12737707sha256: 92443b00c2e8ed22c75bd09b73bf25e9fcd02f0460dcb0f3a9a84ca5e0e4e9casha512: f7e94577e9688268a5b122b2c0731502f472bee46fd29be3a274337e9588da253a2a21deb03cce9b249cfcab4a0f17c5e2a7722b05d8d73e4da48855d0b2264bssdeep: 3072:v35cx43IxDe471h5nApYaQnc/aUXw4c/FKUdE1hv7QTFzSLB2gbtLn1NOdk8QYmB:v3OKI9eY1DnATQ7GEKUdSgzjgbZnXOwtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T18094F1305EA23654D7D1DE78493FC49CFE273D3C88460EF917AA3E14AAFB6405B26258sha3_384: 78c57247895f8a195d43bc95610c1797d9d891ca113dce782426ab7c76c389f052b12a0b8dd07c9aa683ccc8327c593cep_bytes: 6820144000e8f0ffffff000000000000timestamp: 2018-01-29 23:36:49

Version Info:

Translation: 0x0409 0x04b0CompanyName: s-ypeFileDescription: fOOBar3000.ORgProductName: Spicevpn.COmFileVersion: 1.05ProductVersion: 1.05InternalName: Futilities5OriginalFilename: Futilities5.exe

Trojan.Win32.VBKrypt.yyyq also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.VBKrypt.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Heur.PonyStealer.zm0@cepyLoji
FireEye Generic.mg.f35f5a54fc8d8c6f
McAfee GuLoader-FDDT!F35F5A54FC8D
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
K7AntiVirus Trojan ( 005255d61 )
Alibaba Trojan:Win32/VBKrypt.772cb536
K7GW Trojan ( 005255d61 )
CrowdStrike win/malicious_confidence_100% (W)
VirIT Trojan.Win32.VBZenPack_Heur
Cyren W32/Trojan.BEG.gen!Eldorado
Symantec Packed.Generic.519
ESET-NOD32 a variant of Win32/Injector.DVLL
APEX Malicious
Avast Win32:Malware-gen
ClamAV Win.Packed.Formbook-9917820-0
Kaspersky Trojan.Win32.VBKrypt.yyyq
BitDefender Gen:Heur.PonyStealer.zm0@cepyLoji
NANO-Antivirus Trojan.Win32.Mlw.exmitx
Tencent Malware.Win32.Gencirc.10cfbbba
Ad-Aware Gen:Heur.PonyStealer.zm0@cepyLoji
Emsisoft Gen:Heur.PonyStealer.zm0@cepyLoji (B)
DrWeb Trojan.VbCrypt.150
Zillya Trojan.Injector.Win32.1321591
TrendMicro TSPY_HPFAREIT.SMVB
McAfee-GW-Edition BehavesLike.Win32.Fareit.gm
Sophos Mal/Generic-R + Mal/FareitVB-M
GData Gen:Heur.PonyStealer.zm0@cepyLoji
Jiangmin Trojan.VBKrypt.ewrp
eGambit Unsafe.AI_Score_100%
Avira HEUR/AGEN.1109921
Antiy-AVL Trojan/Generic.ASMalwS.2464DCB
Arcabit Trojan.PonyStealer.ECFA30
ViRobot Trojan.Win32.Z.Vbkrypt.413696.BH
Microsoft Trojan:Win32/Sabsik.FL.B!ml
Cynet Malicious (score: 100)
AhnLab-V3 Win-Trojan/VBKrypt.RP02.X1828
BitDefenderTheta Gen:NN.ZevbaF.34114.zm0@aepyLoji
ALYac Gen:Heur.PonyStealer.zm0@cepyLoji
MAX malware (ai score=88)
VBA32 BScope.TrojanSpy.Noon
Malwarebytes Spyware.LokiBot
TrendMicro-HouseCall TSPY_HPFAREIT.SMVB
Rising Trojan.Dynamer!8.3A0 (CLOUD)
Yandex Trojan.VBKrypt!WXvtdgY86rM
SentinelOne Static AI – Malicious PE
MaxSecure Trojan.Malware.300983.susgen
Fortinet W32/Injector.DWMX!tr
AVG Win32:Malware-gen
Cybereason malicious.4fc8d8
Panda Trj/GdSda.A

How to remove Trojan.Win32.VBKrypt.yyyq?

  • 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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