Should I remove “Mal/Fesber-B”?

The Mal/Fesber-B 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.

6-day free trial available.

What Mal/Fesber-B virus can do?

Sample contains Overlay data
Unconventionial language used in binary resources: Spanish (Modern)
Authenticode signature is invalid

How to determine Mal/Fesber-B?


File Info:
name: BD490CF696F2704C2CFD.mlw
path: /opt/CAPEv2/storage/binaries/a2ce5cdc0c87b4c158924210848278e69626cabb51231926b3e9669ed241648b
crc32: 43051E26
md5: bd490cf696f2704c2cfd98f59638bfdf
sha1: de433b6731757c577b6055d4a37521c290fabe90
sha256: a2ce5cdc0c87b4c158924210848278e69626cabb51231926b3e9669ed241648b
sha512: b71b2316e30c6784bf4f3152740ee3903fbf6593b020204e3f2aac7c055c2e585f1d132699d55af2fb5dfcdf645dd505b7a96fe42f8080e3716917398cb00886
ssdeep: 1536:rQwOnbNQKLjWDyy1oBPnaJUEbooPRrKKRk4:rqNQKPWDyLPnaJltZrpRk
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1BBA32904A3E6E199F4B2963016F65BA14F35BD705E3A93CF93203A5E9D31A89DF24313
sha3_384: 7f9f077099aab568c88702478b21ca89a53be9c2ee2eb4a860e9e00a844ffeeafa4385f418d1b678116c65cedad00f87
ep_bytes: 6a706898180001e8bf01000033db538b
timestamp: 2009-09-16 10:53:23

Version Info:
CompanyName: Microsoft Corporation
FileDescription: Bloc de notas
FileVersion: 5.1.2600.5877 (xpsp_sp3_qfe.090916-1338)
InternalName: Notepad
LegalCopyright: © Microsoft Corporation. Reservados todos los derechos.
OriginalFilename: NOTEPAD.EXE
ProductName: Sistema operativo Microsoft® Windows®
ProductVersion: 5.1.2600.5877
Translation: 0x0c0a 0x04b0

Mal/Fesber-B also known as:

Bkav	W32.AIDetectMalware
Cyren	W32/Agent.ACM.gen!Eldorado
APEX	Malicious
McAfee-GW-Edition	BehavesLike.Win32.Infected.ct
Trapmine	malicious.high.ml.score
Sophos	Mal/Fesber-B
Google	Detected
Microsoft	Trojan:Win32/Wacatac.B!ml
Cynet	Malicious (score: 100)
McAfee	Artemis!BD490CF696F2
Rising	Trojan.Generic@AI.96 (RDML:lOLv+4N/+yxXtMcMR2yofA)
MaxSecure	Trojan.Malware.300983.susgen
Cybereason	malicious.731757

How to remove Mal/Fesber-B?

Mal/Fesber-B 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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