Categories: Malware

Win32/Klez.E removal guide

The Win32/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.

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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 Win32/Klez.E virus can do?

  • Sample contains Overlay data
  • CAPE extracted potentially suspicious content
  • Authenticode signature is invalid

How to determine Win32/Klez.E?


File Info:

name: CBA984D1575831423EA0.mlwpath: /opt/CAPEv2/storage/binaries/9e3d67a26864927b6720b98323550a9583fe49151beea83133784e45b42c5252crc32: A5184F37md5: cba984d1575831423ea0f0cc163ec157sha1: a11292ba11f2a1fc5cf3d8e246b7bdcdbd306852sha256: 9e3d67a26864927b6720b98323550a9583fe49151beea83133784e45b42c5252sha512: 6dc6a039c223b69e6c0e30ae0e596d657e54d5bd84de375503598bc3531ae619ffedd341af7ee70dfbefd10628f71a5e54334aa77553a18da5b708e7e88348ebssdeep: 768:zXS6Lnze1gshn5ew/QuBdL/4Ckir4SWeq3HwFdkt+Afs2DBnonK6KcgMSh:TSSnze1gsJ55n/4CkOwwF+bhog7htype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1DE839E27B9904033C4AA8271116EBF159AFFF4312A5AEA43D7118A5BFC707D1FA3570Asha3_384: 005f0b19926800434f70f0a92e74bf7e600254d588cf631edeeaed116ef80e3843176c823fffb9c3486b21e9bb2b29c7ep_bytes: 558bec6aff6838d240006824a8400064timestamp: 2002-01-14 08:44:12

Version Info:

0: [No Data]

Win32/Klez.E also known as:

Bkav W32.KlezE.Worm
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
FireEye Generic.mg.cba984d157583142
CAT-QuickHeal W32.Klez.H
Skyhigh BehavesLike.Win32.Klez.mm
McAfee W32/Klez.e@MM
Cylance unsafe
Zillya Worm.Klez.Win32.2
Sangfor Suspicious.Win32.Save.ins
K7AntiVirus EmailWorm ( 000805561 )
K7GW EmailWorm ( 000805561 )
Cybereason malicious.a11f2a
Baidu Win32.Worm.Klez.a
VirIT Win32.Klez.E
Symantec W32.Klez.E@mm
ESET-NOD32 Win32/Klez.E
APEX Malicious
ClamAV Win.Worm.Klez-2
Kaspersky Email-Worm.Win32.Klez.k
BitDefender Win32.Klez.E@mm
NANO-Antivirus Trojan.Win32.Klez.gleq
SUPERAntiSpyware Worm.Klez
MicroWorld-eScan Win32.Klez.E@mm
Avast Win32:Klez-E [Wrm]
Tencent Email-Worm.Win32.Klez.ha
Emsisoft Win32.Klez.E@mm (B)
F-Secure Worm.WORM/Klez.E
DrWeb Win32.HLLM.Klez.1
VIPRE Win32.Klez.E@mm
TrendMicro WORM_KLEZ.GEN
Sophos W32/Klez-E
Ikarus Email-Worm.Win32.Klez.E
GData Win32.Trojan.PSE.15IDC91
Jiangmin Worm/Klez.l
Webroot W32.Klez.Gen
Google Detected
Avira WORM/Klez.E
Antiy-AVL Worm[Email]/Win32.Klez.k
Kingsoft malware.kb.a.1000
Xcitium Worm.Win32.Klez.E@3bt0
Arcabit Win32.Klez.EA8AF7
ViRobot I-Worm.Win32.Klez-gen
ZoneAlarm Email-Worm.Win32.Klez.k
Microsoft Worm:Win32/Klez.E@mm
Varist W32/Klez.E@mm
AhnLab-V3 Win32/Klez.worm.E
Acronis suspicious
VBA32 Win32.HLLW.Klez.e
ALYac Win32.Klez.E@mm
MAX malware (ai score=80)
Malwarebytes Generic.Malware.AI.DDS
Panda W32/Klez.F
Zoner Worm.Win32.Klez.24278
TrendMicro-HouseCall WORM_KLEZ.GEN
Rising Worm.Klez!1.A1CB (CLASSIC)
SentinelOne Static AI – Malicious PE
MaxSecure Worm.W32.Klez.h
Fortinet W32/Klez.fam@mm
BitDefenderTheta Gen:NN.ZexaF.36680.fqY@ayzzNh
AVG Win32:Klez-E [Wrm]
DeepInstinct MALICIOUS
CrowdStrike win/malicious_confidence_100% (D)

How to remove Win32/Klez.E?

  • 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.
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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