VBS/Agent.NSF removal guide

The VBS/Agent.NSF 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 VBS/Agent.NSF virus can do?

Creates RWX memory
A process attempted to delay the analysis task.
Reads data out of its own binary image
Network activity detected but not expressed in API logs

How to determine VBS/Agent.NSF?


File Info:
crc32: E3B657C5
md5: b74c1d8417f20e225ee69661f690dba3
name: B74C1D8417F20E225EE69661F690DBA3.mlw
sha1: b92dd2962f619876587915aa0b2ea9c8e46ec4b0
sha256: 2ccbd277963918fd314ae9bef225cefea969b2676726d49bd3874a1d1be355c1
sha512: a53d4c94c460a3bf92669f52047c80bec63ad724a9275eb63ed429f1f3cea36138caf56759656ad9429def183c0c39bb89d76dcc4be800b8b6c3548fda2b6d17
ssdeep: 6144:vHT33KP4gbJzT6+Jylc0eq29hlt1/miWj:vDKPPJH6GOc0heltQDj
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:
LegalCopyright:  Window Manager
InternalName: 
FileVersion:  0. 2. 0. 1
CompanyName:  Window Manager
LegalTrademarks:  Window Manager
Comments:  Window Manager
ProductName:  Window Manager
ProductVersion:  0. 8. 0. 5
FileDescription:  Window Manager
OriginalFilename:  Window Manager
Translation: 0x0409 0x04e4

VBS/Agent.NSF also known as:

K7AntiVirus	Trojan-Downloader ( 004d688a1 )
Lionic	Trojan.Win32.Generic.4!c
McAfee	Artemis!B74C1D8417F2
K7GW	Trojan-Downloader ( 004d688a1 )
Cybereason	malicious.62f619
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	VBS/Agent.NSF
APEX	Malicious
Avast	FileRepMalware
Cynet	Malicious (score: 99)
Kaspersky	HEUR:Trojan-Downloader.Script.Generic
Tencent	Win32.Trojan.Spy.Pepo
Sophos	ML/PE-A
Comodo	Malware@#25k11c006p8ki
VIPRE	Trojan.Win32.Generic!BT
FireEye	Generic.mg.b74c1d8417f20e22
SentinelOne	Static AI – Malicious PE
Jiangmin	Worm.VBS.aad
Avira	TR/Spy.Gen
Microsoft	Trojan:Win32/Wacatac.B!ml
Rising	Trojan.Generic@ML.100 (RDML:KjLqakimh+GPdvPPIMREBg)
Ikarus	Trojan-Dropper.VBS.Agent
Fortinet	VBS/Injector.AJ!tr
AVG	FileRepMalware
Paloalto	generic.ml

How to remove VBS/Agent.NSF?

VBS/Agent.NSF 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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