Malware

W32/SillyFDC-II removal instruction

Malware Removal

The W32/SillyFDC-II 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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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What W32/SillyFDC-II 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
  • Attempts to disable Windows Auto Updates
  • 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 W32/SillyFDC-II?


File Info:

name: C55C6A19A4EB075B2438.mlw
path: /opt/CAPEv2/storage/binaries/4ccaec0e27a27f60a398321815a0df5b70bfce10d6688cbba347df16317b9496
crc32: ADD9D8D0
md5: c55c6a19a4eb075b2438e753f7e0199d
sha1: 5579d1d1567ce5a28ae5fabf9a0744e5c41f3298
sha256: 4ccaec0e27a27f60a398321815a0df5b70bfce10d6688cbba347df16317b9496
sha512: 66cd78f0b086b570cfa73b1388440e92c09086f1af4e61df5580f41e6ace6ecba306f244801126c1639acbf37f6225d5ca514bcce6c288cc964af43d815b064c
ssdeep: 1536:ER5SC4nXPjdyF8e/O+TtSv6DhjFEAMn6qtdmzrRptAi858J8MGu153i6E5T:I4nXvpT
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15A83067BBF5914A2F7506A3833F782E61AABA41E5B0B504F570836655EA3F100D39F23
sha3_384: 37f06cbc6d3ebc0d99acda2d6b0c036c73c6d884a4685653ecb99c99de8dac9ef68048e0563749419188064c59d9852a
ep_bytes: 6878124000e8eeffffff000000000000
timestamp: 2012-07-26 21:40:42

Version Info:

Translation: 0x0409 0x04b0
Comments: nonfalse disulphuric
CompanyName: nonfalse disulphuric
FileDescription: nonfalse disulphuric
LegalCopyright: nonfalse disulphuric
LegalTrademarks: nonfalse disulphuric
ProductName: nonfalse disulphuric
FileVersion: 2.69
ProductVersion: 2.69
InternalName: bubbleless
OriginalFilename: bubbleless.exe

W32/SillyFDC-II also known as:

BkavW32.AIDetectMalware
MicroWorld-eScanGen:Heur.VB.Agent.3
ClamAVWin.Trojan.Changeup-6169544-0
CAT-QuickHealWorm.VbnaMF.S28717825
SkyhighBehavesLike.Win32.VBObfus.mm
McAfeeVBObfus.ek
Cylanceunsafe
VIPREGen:Heur.VB.Agent.3
SangforSuspicious.Win32.Save.vb
K7AntiVirusEmailWorm ( 003c363a1 )
K7GWEmailWorm ( 003c363a1 )
Cybereasonmalicious.1567ce
BaiduWin32.Worm.VB.ad
VirITTrojan.Win32.Cryptor.RR
SymantecW32.Changeup!gen20
Elasticmalicious (high confidence)
ESET-NOD32Win32/Pronny.CL
APEXMalicious
CynetMalicious (score: 100)
KasperskyTrojan.Win32.Vobfus.npk
BitDefenderGen:Heur.VB.Agent.3
NANO-AntivirusTrojan.Win32.VB.covjvd
AvastWin32:VB-ADVP [Trj]
TencentWorm.Win32.Vobfus.q
EmsisoftGen:Heur.VB.Agent.3 (B)
F-SecureWorm.WORM/Vobfus.ge.1
DrWebWin32.HLLW.Autoruner1.23888
TrendMicroWORM_VOBFUS.SM01
Trapminemalicious.moderate.ml.score
FireEyeGeneric.mg.c55c6a19a4eb075b
SophosW32/SillyFDC-II
SentinelOneStatic AI – Malicious PE
GDataGen:Heur.VB.Agent.3
JiangminTrojan/Vbobf.b
WebrootW32.Obfuscated.Gen
GoogleDetected
AviraWORM/Vobfus.ge.1
MAXmalware (ai score=81)
Antiy-AVLWorm/Win32.WBNA.gen
Kingsoftmalware.kb.a.1000
XcitiumWorm.Win32.Pronny.ABQ@4puwz1
ArcabitTrojan.VB.Agent.3
ZoneAlarmTrojan.Win32.Vobfus.npk
MicrosoftWorm:Win32/Vobfus.GE
VaristW32/VB.HC.gen!Eldorado
AhnLab-V3Worm/Win32.VBNA.R31161
Acronissuspicious
VBA32Trojan.VBCR.3074
TACHYONWorm/W32.VB-VBNA.81920.C
MalwarebytesPronny.Worm.Spreader.DDS
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SM01
RisingTrojan.VBInject!1.64F2 (CLASSIC)
YandexTrojan.GenAsa!uIP1o698III
IkarusWorm.Win32.VBNA
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBObfus.AU!tr
BitDefenderThetaGen:NN.ZevbaF.36744.fm0@aOYJ5zmi
AVGWin32:VB-ADVP [Trj]
DeepInstinctMALICIOUS
CrowdStrikewin/malicious_confidence_100% (D)

How to remove W32/SillyFDC-II?

W32/SillyFDC-II 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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