How to remove “W32/Renamer-I”?

The W32/Renamer-I 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/Renamer-I virus can do?

Sample contains Overlay data
The binary contains an unknown PE section name indicative of packing
Executable file is packed/obfuscated with MPRESS
Authenticode signature is invalid
Anomalous binary characteristics

How to determine W32/Renamer-I?


File Info:
name: E551BB82C1C178DA51C6.mlw
path: /opt/CAPEv2/storage/binaries/e2a12b8de680eb27aaefc12dffddc193270adff9df9068bb0068830799596c29
crc32: 811E4F1A
md5: e551bb82c1c178da51c66769a14d4d03
sha1: 953d02cf3decbc7beb8169e7ae4e2da0f21c0339
sha256: e2a12b8de680eb27aaefc12dffddc193270adff9df9068bb0068830799596c29
sha512: d7e6d52785b7964abb98c1cc4d89c6958371bc88dbe6e9b6abc6814bfef53b68324992ce4dc35ea71f809cc2ddd95360f2053c8ab31d817987c2e128f8e2dddd
ssdeep: 6144:32lKgzelZNQSBQGH/CSpWqTle+dbjMMqcXmr8MMtjyhX9+FL:nfBQGH6SfEs3MMq/r8MMP
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T15C75AD52B572D4B7D04C4538885B8EB5A623BD028A3152DF3EA4BE4FFF712C09A16B1D
sha3_384: b0c5606e5a5240f92ec138576512f1775274903379c202002d518c52d436e3804022da245a14b1997301f5ed872e2a0e
ep_bytes: e812470000e916feffff558bec81ec28
timestamp: 2008-09-27 04:51:42

Version Info:
CompanyName: Microsoft Corporation
FileDescription: Windows Messenger
FileVersion: 4.7.3001
InternalName: msmsgs
LegalCopyright: Copyright (c) Microsoft Corporation 2004
LegalTrademarks: Microsoft(R) is a registered trademark of Microsoft Corporation in the U.S. and/or other countries.
OriginalFilename: msmsgs.exe
ProductName: Messenger
ProductVersion: Version 4.7.3001
Translation: 0x0409 0x04b0

W32/Renamer-I also known as:

Bkav	W32.AIDetectMalware
tehtris	Generic.Malware
DrWeb	Win32.HLLW.Siggen.10550
MicroWorld-eScan	Worm.Generic.388260
FireEye	Generic.mg.e551bb82c1c178da
CAT-QuickHeal	W32.Cosmu.D4
ALYac	Worm.Generic.388260
Malwarebytes	Generic.Trojan.Malicious.DDS
Zillya	Worm.Cosmu.Win32.2
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 0052964f1 )
K7GW	Trojan ( 0052964f1 )
VirIT	Trojan.Win32.MulDrop4.JZQ
Cyren	W32/S-97c860a5!Eldorado
Elastic	malicious (high confidence)
ESET-NOD32	Win32/Agent.NLP
APEX	Malicious
ClamAV	Win.Dropper.Tinba-9943147-2
Kaspersky	Trojan.Win32.Cosmu.dnej
BitDefender	Worm.Generic.388260
NANO-Antivirus	Trojan.Win32.Agetn2.bbdyxx
Rising	Worm.Agent!1.DAFA (CLASSIC)
Sophos	W32/Renamer-I
F-Secure	Worm.WORM/Agent.2170901
Baidu	Win32.Worm.Agent.bg
VIPRE	Worm.Generic.388260
McAfee-GW-Edition	BehavesLike.Win32.Generic.tz
Trapmine	malicious.high.ml.score
Emsisoft	Worm.Generic.388260 (B)
Ikarus	Worm.Agent
GData	Win32.Trojan.PSE.5OO89B
Jiangmin	Worm/Generic.abjq
Google	Detected
Avira	WORM/Agent.2170901
MAX	malware (ai score=86)
Antiy-AVL	Virus/Win32.Expiro.imp
Xcitium	TrojWare.Win32.Cosmu.NLP@7v4zem
Arcabit	Worm.Generic.D5ECA4
ZoneAlarm	Trojan.Win32.Cosmu.dnej
Microsoft	Virus:Win32/Emdup.A
Cynet	Malicious (score: 100)
AhnLab-V3	Trojan/Win32.Cosmu.R230705
McAfee	GenericRXFU-SQ!E551BB82C1C1
VBA32	BScope.Trojan.Sabsik.FL
Cylance	unsafe
Panda	Generic Malware
Zoner	Trojan.Win32.82524
Tencent	Trojan.Win32.Cosmu.c
Yandex	Trojan.Cosmu!Mr16A4OPMnQ
SentinelOne	Static AI – Malicious PE
MaxSecure	Trojan.Malware.121218.susgen
Fortinet	W32/Naglov.OA!tr
Cybereason	malicious.2c1c17

How to remove W32/Renamer-I?

W32/Renamer-I 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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