The Win32/Klez 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
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.
What Win32/Klez virus can do?
- The binary contains an unknown PE section name indicative of packing
- Authenticode signature is invalid
How to determine Win32/Klez?
File Info:
name: 4471FAFA6CC8097E6E41.mlwpath: /opt/CAPEv2/storage/binaries/68262fa5f6410f12c460a81850b428a5dd93389d160317df7f1afd8b103f5f79crc32: 611A8665md5: 4471fafa6cc8097e6e411d7d2915c422sha1: 4c8691de77bfe61852ffd3085e1338bebb2a6f38sha256: 68262fa5f6410f12c460a81850b428a5dd93389d160317df7f1afd8b103f5f79sha512: f98972cd4c00d177e8d5a888e28d222a7b307a92ade782d81a18401199c9764c9ada75f4e1ba52a699528013e826c9b43bbcb3d43a1a0819b5d710ef3dd81379ssdeep: 1536:zWGxs9kGdYk8wO4Cn8Nn0FdaGihoba0JLx7GCC4I4PP6PcvPnyp3aOTotXQyzbw:KGfGdYSCnaHVhobv1GN86PcvgKOEtgbtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T10D84DA06432220A7E15434B5C05A7B8A06906FF93DA7E536FE157406FA72BCA4E335FEsha3_384: 6106201798d0dfc22c84d3ad9877f6cc789236cf23289e4794727462becc066314a7e8f2e4daf69e8a85fbce423d06f0ep_bytes: 558bc86aff6840d240006804ac400064timestamp: 2002-04-13 01:49:44Version Info:
CompanyName: Adobe Systems IncorporatedFileDescription: Adobe Reader 8.0FileVersion: 8.0.0.2006102300LegalCopyright: Copyright 1984-2006 Adobe Systems Incorporated and its licensors. All rights reserved.ProductName: Adobe ReaderProductVersion: 8.0.0.2006102300OriginalFilename: AcroRd32.exeTranslation: 0x0409 0x04e4
Win32/Klez also known as:
| Bkav | W32.AIDetectMalware |
| AVG | Win32:Injected-AZ |
| MicroWorld-eScan | Win32.Worm.Klez.DAR |
| FireEye | Generic.mg.4471fafa6cc8097e |
| ALYac | Win32.Worm.Klez.DAR |
| Cylance | unsafe |
| Zillya | Worm.Klez.Win32.1 |
| Sangfor | Suspicious.Win32.Save.a |
| K7AntiVirus | Trojan ( 0000409e1 ) |
| K7GW | Trojan ( 0000409e1 ) |
| Cybereason | malicious.a6cc80 |
| Baidu | Win32.Worm.Klez.b |
| Cyren | W32/Klez.H@mm (corrupted) |
| Symantec | W32.Klez.H@mm |
| Elastic | malicious (high confidence) |
| ESET-NOD32 | a variant of Win32/Klez |
| Cynet | Malicious (score: 100) |
| APEX | Malicious |
| ClamAV | Win.Trojan.Elkern-2 |
| Kaspersky | Email-Worm.Win32.Klez.h |
| BitDefender | Win32.Worm.Klez.DAR |
| NANO-Antivirus | Virus.Win32.Gen.ccmw |
| Avast | Win32:Injected-AZ |
| Tencent | Trojan.Win32.Klez.b |
| Sophos | ML/PE-A |
| F-Secure | Malware.W32/Elkern.C |
| DrWeb | Win32.HLLM.Klez.4 |
| VIPRE | Win32.Worm.Klez.DAR |
| TrendMicro | PAK_Xed-21 |
| McAfee-GW-Edition | BehavesLike.Win32.Klez.fm |
| Trapmine | malicious.high.ml.score |
| Emsisoft | Win32.Worm.Klez.DAR (B) |
| SentinelOne | Static AI – Suspicious PE |
| GData | Win32.Worm.Klez.H |
| Jiangmin | I-Worm/Klez.h |
| Avira | W32/Elkern.C |
| MAX | malware (ai score=87) |
| Antiy-AVL | Worm[Email]/Win32.Klez.h |
| Arcabit | Win32.Worm.Klez.DAR |
| ZoneAlarm | Email-Worm.Win32.Klez.h |
| Microsoft | Worm:Win32/Klez.H@mm |
| Detected | |
| McAfee | W32/Klez.gen@MM |
| VBA32 | MalwareScope.Worm.Klez.1 |
| Malwarebytes | Worm.Klez |
| Panda | Generic Suspicious |
| TrendMicro-HouseCall | PAK_Xed-21 |
| Rising | Worm.Klez!1.A1CB (CLASSIC) |
| Yandex | Trojan.GenAsa!URVqVkT3TU0 |
| Ikarus | Trojan.Win32.Crypt |
| MaxSecure | Worm.W32.Klez.h |
| Fortinet | W32/Wacatac.B!tr |
| BitDefenderTheta | AI:Packer.969B3D361F |
| Zoner | Worm.Win32.Klez.32858 |
| DeepInstinct | MALICIOUS |
| CrowdStrike | win/malicious_confidence_100% (D) |
How to remove Win32/Klez?
- 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.
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