Malware

What is “W32/Klez-E”?

Malware Removal

The W32/Klez-E 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.

GridinSoft Anti-Malware

Gridinsoft Anti-Malware

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/Klez-E virus can do?

  • Sample contains Overlay data
  • Authenticode signature is invalid

How to determine W32/Klez-E?


File Info:

name: BFCD8174B2544594F190.mlw
path: /opt/CAPEv2/storage/binaries/9546140115352345a0cf24049a7b4319504570cf1a7e364ccfc85c75acca0871
crc32: F45B3315
md5: bfcd8174b2544594f19061d767608abe
sha1: faeb91b1ffc978ff9e3a2be357f96232f3ceb7b2
sha256: 9546140115352345a0cf24049a7b4319504570cf1a7e364ccfc85c75acca0871
sha512: d4bc56405d99775fef7933f8839a3fa0e40ac5bcee188994de47e2f04af325384323c861550b2adc147706877120f383718f0adf3c6c0887ce256ecfafd1416c
ssdeep: 768:zXS6Lnze1gshn5ew/QuBdL/4Ckir4SWeq3HwFdkt+Afs2DBnoh3R/Q/K6KcgM2Iu:TSSnze1gsJ55n/4CkOwwF+bhobrZIu
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T13B73AF277AD08073C4AA817011AE47254AFED5320B17DA83F329D96B3F706C1EA3579B
sha3_384: 2a36dba9350124d4e17eb8b971e7287246aaa1eb46f7ba9e09c6f3d37915c93a16a3b2cbf6e7940a580c03cf1a445d78
ep_bytes: 558bec6aff6838d240006824a8400064
timestamp: 2002-01-14 08:44:12

Version Info:

0: [No Data]

W32/Klez-E also known as:

BkavW32.KlezE.Worm
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
FireEyeGeneric.mg.bfcd8174b2544594
CAT-QuickHealW32.Klez.H
SkyhighBehavesLike.Win32.Klez.lh
McAfeeW32/Klez.e@MM
Cylanceunsafe
VIPREWin32.Klez.E@mm
SangforSuspicious.Win32.Save.ins
K7AntiVirusEmailWorm ( 000805561 )
K7GWEmailWorm ( 000805561 )
CrowdStrikewin/malicious_confidence_100% (D)
BaiduWin32.Worm.Klez.a
VirITWin32.Klez.E
SymantecW32.Klez.E@mm
ESET-NOD32Win32/Klez.E
ZonerWorm.Win32.Klez.24278
APEXMalicious
ClamAVWin.Worm.Klez-2
KasperskyEmail-Worm.Win32.Klez.k
BitDefenderWin32.Klez.E@mm
NANO-AntivirusTrojan.Win32.Klez.gleq
SUPERAntiSpywareWorm.Klez
MicroWorld-eScanWin32.Klez.E@mm
AvastWin32:Klez-E [Wrm]
TencentEmail-Worm.Win32.Klez.ha
EmsisoftWin32.Klez.E@mm (B)
F-SecureWorm.WORM/Klez.E
DrWebWin32.HLLM.Klez.1
ZillyaWorm.Klez.Win32.2
TrendMicroWORM_KLEZ.GEN
Trapminemalicious.high.ml.score
SophosW32/Klez-E
IkarusEmail-Worm.Win32.Klez.E
JiangminWorm/Klez.l
GoogleDetected
AviraWORM/Klez.E
Antiy-AVLWorm[Email]/Win32.Klez.k
Kingsoftmalware.kb.a.1000
XcitiumWorm.Win32.Klez.E@3bt0
ArcabitWin32.Klez.EA8AF7
ViRobotI-Worm.Win32.Klez-gen
ZoneAlarmEmail-Worm.Win32.Klez.k
GDataWin32.Trojan.PSE.15IDC91
VaristW32/Klez.E@mm
AhnLab-V3Win32/Klez.worm.E
Acronissuspicious
VBA32Win32.HLLW.Klez.e
ALYacWin32.Klez.E@mm
MAXmalware (ai score=86)
MalwarebytesGeneric.Malware.AI.DDS
PandaW32/Klez.F
TrendMicro-HouseCallWORM_KLEZ.GEN
RisingWorm.Klez!1.A1CB (CLASSIC)
YandexTrojan.GenAsa!AMX6vz3TVj8
SentinelOneStatic AI – Malicious PE
MaxSecureWorm.W32.Klez.h
FortinetW32/Klez.fam@mm
BitDefenderThetaGen:NN.ZexaF.36802.eqX@ayzzNh
AVGWin32:Klez-E [Wrm]
Cybereasonmalicious.4b2544
DeepInstinctMALICIOUS
alibabacloudBackdoor:Win/Agent.A(dyn)

How to remove W32/Klez-E?

W32/Klez-E 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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