Trojan

Trojan.Win32.VBKrypt.ayfz (file analysis)

Malware Removal

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

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • CAPE detected the embedded pe malware family
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Trojan.Win32.VBKrypt.ayfz?


File Info:

name: EA24AB1869A11C38A363.mlw
path: /opt/CAPEv2/storage/binaries/91219c95897d1828fc0c4965a96350e693a569ddc2d23718a62059345c88fa35
crc32: C09A6060
md5: ea24ab1869a11c38a36349fe361173d8
sha1: 31f23f2ca3c24ae6c2c2257bff88953a0910a322
sha256: 91219c95897d1828fc0c4965a96350e693a569ddc2d23718a62059345c88fa35
sha512: 36d4cca73787d4bad49b5ca50915e9cde8e9beefe3335311098f86ed363a00f0d2747ec654846887cd4bb758d240df5389915a573564567d7822bdf0fc6b811d
ssdeep: 1536:V9P4um/bmkiw+667MIBf28zPJtC6IoD/QWgxektFAo11y:7P4umDmLf2RxIf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T11D843940652040D0E0277CBBC5ECD17F74A567EE9C0AD2BC694CA4EA60B7A9B17E5F0B
sha3_384: 4d926c4d58f77eaba140ee77b83a1f5995b51636aaca51d6eb921a5a2b9340c182dab0723bff866108db814aadc3c4cb
ep_bytes: 68b4114000e8eeffffff000000000000
timestamp: 2010-11-02 12:16:15

Version Info:

Translation: 0x0409 0x04b0
ProductName: EEVsIa
FileVersion: 4.34
ProductVersion: 4.34
InternalName: EEVsI1
OriginalFilename: EEVsI1.exe

Trojan.Win32.VBKrypt.ayfz also known as:

BkavW32.AIDetectMalware
AVGWin32:Agent-AZYI [Trj]
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Variant.Jaik.48189
FireEyeGeneric.mg.ea24ab1869a11c38
CAT-QuickHealWorm.VBNA.gen
SkyhighBehavesLike.Win32.VBObfus.ft
ALYacGen:Variant.Jaik.48189
MalwarebytesGeneric.Malware.AI.DDS
SangforSuspicious.Win32.Save.vb
K7AntiVirusTrojan ( 001f4fd41 )
K7GWTrojan ( 001f4fd41 )
CrowdStrikewin/malicious_confidence_100% (D)
BaiduWin32.Worm.VB.al
VirITTrojan.Win32.VBKrypt.AYFZ
SymantecW32.Changeup
tehtrisGeneric.Malware
ESET-NOD32a variant of Win32/AutoRun.VB.WL
CynetMalicious (score: 100)
APEXMalicious
ClamAVWin.Malware.Vobfus-9806879-0
KasperskyTrojan.Win32.VBKrypt.ayfz
BitDefenderGen:Variant.Jaik.48189
NANO-AntivirusTrojan.Win32.Code.cojaks
SUPERAntiSpywareTrojan.Agent/Gen-CDesc[Gen]
AvastWin32:Agent-AZYI [Trj]
TencentTrojan.Win32.VBKrypt.hc
TACHYONTrojan/W32.VB-VBKrypt.376832.X
SophosMal/SillyFDC-D
F-SecureWorm:W32/Vobfus.AX
DrWebWin32.HLLW.Autoruner.34709
VIPREGen:Variant.Jaik.48189
TrendMicroWORM_VBNA.SMCY
Trapminemalicious.high.ml.score
EmsisoftGen:Variant.Jaik.48189 (B)
IkarusWorm.Win32.Vobfus
GDataGen:Variant.Jaik.48189
JiangminTrojan/VBKrypt.hcfp
VaristW32/Vobfus.K.gen!Eldorado
AviraTR/Code.taf
Antiy-AVLWorm/Win32.WBNA.gen
XcitiumWorm.Win32.VB.ww@2ajsup
ArcabitTrojan.Jaik.DBC3D
ViRobotWorm.Win32.Vobfus.376832
ZoneAlarmTrojan.Win32.VBKrypt.ayfz
MicrosoftWorm:Win32/Vobfus!pz
GoogleDetected
AhnLab-V3Trojan/Win32.VBKrypt.R19388
McAfeeDownloader-CJX.gen.j
MAXmalware (ai score=87)
VBA32Trojan.VBKrypt
Cylanceunsafe
PandaW32/Vobfus.FI
TrendMicro-HouseCallWORM_VBNA.SMCY
RisingTrojan.Win32.VBCode.cdh (CLASSIC)
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/AutoRun.XM!worm
BitDefenderThetaAI:Packer.E3B6095220
Cybereasonmalicious.869a11
DeepInstinctMALICIOUS
alibabacloudTrojan:Win/Crypt.BY(dyn)

How to remove Trojan.Win32.VBKrypt.ayfz?

Trojan.Win32.VBKrypt.ayfz removal tool
  • 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.

About the author

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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