Malware

Win32/AutoRun.VB.ALG (file analysis)

Malware Removal

The Win32/AutoRun.VB.ALG 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/AutoRun.VB.ALG 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)
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Win32/AutoRun.VB.ALG?


File Info:

name: C1C2126822AB93FDB9EE.mlw
path: /opt/CAPEv2/storage/binaries/dcbf85a8cc3a189b5b46723269192281a47dae5d45e36fc6105453e693ae421a
crc32: FB013511
md5: c1c2126822ab93fdb9eeb87b45609c91
sha1: c742814e9874079d5a82c3b524b33c66f2dcfc8e
sha256: dcbf85a8cc3a189b5b46723269192281a47dae5d45e36fc6105453e693ae421a
sha512: 2253abc18a08f544632133869c422e37ae726b5a38efd9c71501bfc9e5c32ffaa0b3731432e0da0b9d1067d2b7342b195036682bf6ccd3de066b11a8263ed758
ssdeep: 3072:bvo0kMEdu3kSESulCVRgQPwU3MppI1zePMThBI4oQZiECGP:jovu3ESul9LI1zeEheWX
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T12DF3822A7781E23EC825CAF4392A43A4947DEC3621DA7C17F7C15B15B2F1DAB9220753
sha3_384: 3b0faa7c7d6934723efb6191d2f6dc6ca1e6564b36ef65b0440ec8eac3ebb4a2f4bfe9d80c2891355bba266907f23ac2
ep_bytes: 68dc394000e8f0ffffff000000000000
timestamp: 2011-09-08 04:59:48

Version Info:

Translation: 0x0409 0x04b0
ProductName: TWhWHnpNucGuTAv
FileVersion: 1.00
ProductVersion: 1.00
InternalName: lExqKpwssbPoNTPRoR
OriginalFilename: lExqKpwssbPoNTPRoR.exe

Win32/AutoRun.VB.ALG also known as:

BkavW32.AIDetectMalware
DrWebTrojan.VbCrypt.60
MicroWorld-eScanGen:Variant.VBKrypt.23
FireEyeGeneric.mg.c1c2126822ab93fd
CAT-QuickHealTrojan.Vobfus.gen
SkyhighBehavesLike.Win32.VBObfus.cm
McAfeeVBObfus.bb
MalwarebytesGeneric.Malware.AI.DDS
VIPREGen:Variant.VBKrypt.23
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 0054d10f1 )
K7GWEmailWorm ( 0054d10f1 )
Cybereasonmalicious.e98740
BitDefenderThetaAI:Packer.EE83060C20
VirITWorm.Win32.Generic.AYUC
SymantecW32.Changeup!gen15
Elasticmalicious (high confidence)
ESET-NOD32Win32/AutoRun.VB.ALG
APEXMalicious
ClamAVWin.Worm.VB-1578
KasperskyWorm.Win32.Vobfus.eflc
BitDefenderGen:Variant.VBKrypt.23
NANO-AntivirusTrojan.Win32.WBNA.cqkybs
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:VB-YCO [Trj]
TencentTrojan.Win32.Koobface.p
SophosMal/VB-XV
GoogleDetected
F-SecureWorm.WORM/VBNA.azrc
BaiduWin32.Worm.Pronny.d
TrendMicroWORM_VOBFUS.SMAC
Trapminemalicious.moderate.ml.score
EmsisoftGen:Variant.VBKrypt.23 (B)
IkarusWorm.Win32.WBNA
GDataGen:Variant.VBKrypt.23
WebrootW32.Trojan.Diple.Gen
VaristW32/Vobfus.V.gen!Eldorado
AviraWORM/VBNA.azrc
MAXmalware (ai score=85)
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
XcitiumTrojWare.Win32.VB.AVA@4paxk7
ArcabitTrojan.VBKrypt.23
ZoneAlarmWorm.Win32.Vobfus.eflc
MicrosoftWorm:Win32/Autorun
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Diple.R13793
Acronissuspicious
ALYacGen:Variant.VBKrypt.23
TACHYONWorm/W32.Vobfus.159744.J
VBA32BScope.Trojan.Diple
Cylanceunsafe
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SMAC
RisingWorm.Vobfus!1.99C7 (CLASSIC)
YandexTrojan.GenAsa!LnCKraEN0GM
SentinelOneStatic AI – Malicious PE
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBKrypt.C!tr
AVGWin32:VB-YCO [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Win32/AutoRun.VB.ALG?

Win32/AutoRun.VB.ALG 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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