Categories: Worm

Worm:Win32/Clisbot.A removal tips

The Worm:Win32/Clisbot.A 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 Worm:Win32/Clisbot.A virus can do?

  • SetUnhandledExceptionFilter detected (possible anti-debug)
  • Attempts to connect to a dead IP:Port (2 unique times)
  • Dynamic (imported) function loading detected
  • Yara rule detections observed from a process memory dump/dropped files/CAPE
  • Creates RWX memory
  • CAPE extracted potentially suspicious content
  • The binary likely contains encrypted or compressed data.
  • Authenticode signature is invalid
  • Behavioural detection: Injection (Process Hollowing)
  • Executed a process and injected code into it, probably while unpacking
  • Behavioural detection: Injection (inter-process)
  • A process attempted to delay the analysis task by a long amount of time.
  • Installs itself for autorun at Windows startup
  • Attempts to identify installed AV products by registry key

How to determine Worm:Win32/Clisbot.A?


File Info:

name: EBFE14C99BC6A44D64CB.mlwpath: /opt/CAPEv2/storage/binaries/e3f081debe3c014967a6fd0e31abff947b4800ecb5bdc186d07a966ac08c67edcrc32: EEAC46D2md5: ebfe14c99bc6a44d64cb06edd65dc670sha1: 88d38d533c1a109263f04d5a5289fc01c8921476sha256: e3f081debe3c014967a6fd0e31abff947b4800ecb5bdc186d07a966ac08c67edsha512: ccee37ff574c0eafb3e2ce0de8d9f2c1e417fe88ef5e0a91bd1edde232a27c0c7a0ff21cab2fef8f05adf69e94541514a0c1776fecd51474ec9b2510faebee01ssdeep: 3072:93A7Q2an7L3Phjjy4mrQV8ti/I7moI8Tv3uf2AWd0h3r0xGvs:9wkvHZjnVeFuI0h3wYvstype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1EA047D06B685B531F12A2533007A47778B3ABC39273349CBBF9527B59A273C19F25316sha3_384: 3269186d3182e25b89d67029775d3d3e1edc38a7f36121b95a383f80b878a1d7a81c1fd72b030bb40f38089506dcf220ep_bytes: e825930000e989feffff8bff558bec8btimestamp: 2013-03-27 20:43:45

Version Info:

0: [No Data]

Worm:Win32/Clisbot.A also known as:

Bkav W32.AIDetect.malware2
Lionic Trojan.Win32.Generic.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Trojan.Vresmon.Gen.1
FireEye Generic.mg.ebfe14c99bc6a44d
McAfee Trojan-FBPE!EBFE14C99BC6
Cylance Unsafe
VIPRE Trojan.Win32.Reveton.a!ag (v)
Sangfor Trojan.Win32.Generic.ky
K7AntiVirus P2PWorm ( 003c56621 )
Alibaba Worm:Win32/EncPk.687870c7
K7GW P2PWorm ( 003c56621 )
CrowdStrike win/malicious_confidence_100% (W)
VirIT Trojan.Win32.Winlock.KLC
Cyren W32/Clisbot.A.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 Win32/AutoRun.Agent.AGF
APEX Malicious
Paloalto generic.ml
ClamAV Win.Trojan.Ag-4254306-1
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Gen:Trojan.Vresmon.Gen.1
NANO-Antivirus Trojan.Win32.Zbot.brmoah
SUPERAntiSpyware Trojan.Agent/Gen-Kazy
Avast Win32:Carberp-AOR [Trj]
Tencent Malware.Win32.Gencirc.10ba4d29
TACHYON Trojan/W32.Jorik.182784.AE
Sophos ML/PE-A + Mal/EncPk-AGD
Comodo TrojWare.Win32.Injector.AEMX@4wu5jp
F-Secure Worm.WORM/Clisbot.182446
DrWeb Trojan.Winlock.7048
Zillya Trojan.Jorik.Win32.210479
TrendMicro WORM_CLISBOT.SMA
McAfee-GW-Edition BehavesLike.Win32.Backdoor.cc
Emsisoft Gen:Trojan.Vresmon.Gen.1 (B)
Ikarus Trojan-PWS.Win32.Zbot
Jiangmin Trojan/PornoAsset.rjo
Webroot W32.Malware.Gen
Avira WORM/Clisbot.182446
Antiy-AVL Trojan[Dropper]/Win32.Injector
Kingsoft Win32.Heur.KVM007.a.(kcloud)
Microsoft Worm:Win32/Clisbot.A
ZoneAlarm HEUR:Trojan.Win32.Generic
GData Gen:Trojan.Vresmon.Gen.1
Cynet Malicious (score: 100)
AhnLab-V3 Worm/Win32.Clisbot.R59913
BitDefenderTheta Gen:NN.ZexaF.34182.luW@aaqVm7aG
ALYac Gen:Trojan.Vresmon.Gen.1
MAX malware (ai score=100)
VBA32 TrojanDropper.Injector
Malwarebytes Malware.AI.2725008386
TrendMicro-HouseCall WORM_CLISBOT.SMA
Rising Trojan.Win32.Generic.148D8681 (C64:YzY0OqJO1csOm80b)
Yandex Trojan.GenAsa!Aw44IaZuWd4
SentinelOne Static AI – Malicious PE
Fortinet W32/Injector.ZVR!tr
AVG Win32:Carberp-AOR [Trj]
Cybereason malicious.99bc6a
Panda Trj/Genetic.gen

How to remove Worm:Win32/Clisbot.A?

  • 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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Paul Valéry

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