Malware

Win32:AutoRun-CSS [Wrm] (file analysis)

Malware Removal

The Win32:AutoRun-CSS [Wrm] 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-CSS [Wrm] 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)
  • Attempts to disable Windows Auto Updates
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed

How to determine Win32:AutoRun-CSS [Wrm]?


File Info:

name: AD0D3F006B83C77EE502.mlw
path: /opt/CAPEv2/storage/binaries/619807c8574cbe57c74657b401f711cc0ebafd20890d663bdf4a791aeed32442
crc32: 69354551
md5: ad0d3f006b83c77ee5024a40737d5ca8
sha1: e2b129ebf350b93ed743172e14248ec554f37434
sha256: 619807c8574cbe57c74657b401f711cc0ebafd20890d663bdf4a791aeed32442
sha512: e406e34e4790029612d138a94f0feb23f8c5094ca3a1dc73a550b3b86cd53f88c952ca41fe85ee41e931ad72fb8e241ee6cc8c4f0d8fd4a408ca6ba02042b3ed
ssdeep: 3072:mFvdzk9oHFGFooobAqzNOEbOKZbtpGPsLxf:mFvlNPseNmKJtpLf
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13C24743D7380B73DF825C3F9688A4390545DE9360985980BFBC2671A76E09A3F7217A7
sha3_384: fe715e7abeeee8b06b8e7c4e4c56aad771a02e345360c4f88cdbe00ad79d6d77451e72335b7b64daf316a173fda77804
ep_bytes: 68003e4000e8eeffffff000048000000
timestamp: 2012-03-15 06:00:48

Version Info:

FileVersion: 3.10
ProductVersion: 3.10
Translation: 0x0409 0x04b0

Win32:AutoRun-CSS [Wrm] also known as:

BkavW32.AIDetectMalware
tehtrisGeneric.Malware
MicroWorld-eScanGen:Variant.VBInject.11
FireEyeGeneric.mg.ad0d3f006b83c77e
CAT-QuickHealTrojan.Beebone.D
SkyhighBehavesLike.Win32.VBObfus.dm
McAfeeGeneric VB.kk
MalwarebytesGeneric.Worm.AutoRun.DDS
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (W)
K7GWEmailWorm ( 0054d10f1 )
K7AntiVirusEmailWorm ( 0054d10f1 )
BitDefenderThetaGen:NN.ZevbaF.36802.nm0@aa2J8eai
VirITWorm.Win32.VBNA.AZVP
SymantecW32.Changeup
Elasticmalicious (high confidence)
ESET-NOD32Win32/AutoRun.VB.ATH
APEXMalicious
CynetMalicious (score: 100)
KasperskyWorm.Win32.Vobfus.dfrv
BitDefenderGen:Variant.VBInject.11
NANO-AntivirusTrojan.Win32.VB.chzviz
SUPERAntiSpywareTrojan.Agent/Gen-Dropper
AvastWin32:AutoRun-CSS [Wrm]
TencentWorm.Win32.Vobfus.n
TACHYONWorm/W32.Vobfus.221184.B
EmsisoftGen:Variant.VBInject.11 (B)
BaiduWin32.Trojan.Inject.n
F-SecureTrojan.TR/Dropper.Gen
DrWebTrojan.VbCrypt.81
VIPREGen:Variant.VBInject.11
TrendMicroWORM_VOBFUS.SMAF
Trapminemalicious.high.ml.score
SophosW32/SillyFDC-HQ
IkarusWorm.Win32.Vobfus
JiangminTrojan/Vbobf.b
WebrootW32.Worm.Gen
VaristW32/Vobfus.AD.gen!Eldorado
AviraTR/Dropper.Gen
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
XcitiumWorm.Win32.Pronny.AK@4ogvoo
ArcabitTrojan.VBInject.11
ViRobotWorm.Win32.A.VBNA.221184.U
ZoneAlarmWorm.Win32.Vobfus.dfrv
GDataGen:Variant.VBInject.11
GoogleDetected
AhnLab-V3Worm/Win32.WBNA.R22840
Acronissuspicious
VBA32BScope.Trojan.VB.Onechki
ALYacGen:Variant.VBInject.11
MAXmalware (ai score=83)
Cylanceunsafe
PandaW32/Vobfus.GEW.worm
TrendMicro-HouseCallWORM_VOBFUS.SMAF
RisingWorm.VobfusEx!1.99D9 (CLASSIC)
SentinelOneStatic AI – Malicious PE
FortinetW32/VBKrypt.C!tr
AVGWin32:AutoRun-CSS [Wrm]
DeepInstinctMALICIOUS
alibabacloudTrojan[dropper]:Win/Vobfus.381c8f2b

How to remove Win32:AutoRun-CSS [Wrm]?

Win32:AutoRun-CSS [Wrm] 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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