Categories: Malware

VBS/Agent.NFK malicious file

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

  • Detected script timer window indicative of sleep style evasion
  • A process attempted to delay the analysis task.
  • Reads data out of its own binary image
  • A process created a hidden window
  • Unconventionial language used in binary resources: Russian
  • A scripting utility was executed
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • A wscript.exe process commonly used in script or document file downloaders initiated network activity
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Attempts to modify proxy settings
  • Attempts to interact with an Alternate Data Stream (ADS)
  • Collects information to fingerprint the system
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz
infinity2016.no-ip.org

How to determine VBS/Agent.NFK?


File Info:

crc32: C7AF94BBmd5: 7a9f7e9b596bba9ceba343e1f4329decname: 7A9F7E9B596BBA9CEBA343E1F4329DEC.mlwsha1: cfc4b2da5657d2e8401b4439bdd07f25e164f94bsha256: dd41be72a5f9bc3ef1bc6225eb0fb68619218e6b0d36a4e968ad053b2739f225sha512: 89edb733341763f3971847331f4fad3b556d303fb52ab05f7f8c38d39728d31998a72e96dd4b7b1f3800e69057633ce5e361051b924751b7b1e61404aca8dec9ssdeep: 12288:eANwRo+mv8QD4+0V16oylfLtyzO0blzm1faiS9ef9oSDbXQddWb12Bb4YKiKPaPf:eAT8QE+kTy58K0Jz2faB9GxDbXh2F4YFtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: QTranslate FileDescription: QTranslate 6.1.0 Installation FileVersion: 6.1.0 Comments: CompanyName: QTranslate Translation: 0x0409 0x04e4

VBS/Agent.NFK also known as:

K7AntiVirus Trojan ( 004ff7bb1 )
Lionic Trojan.Win32.Generic.4!c
DrWeb Win32.HLLW.Autoruner3.2731
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
Alibaba Ransom:Win32/Blocker.3f926a58
K7GW Trojan ( 004ff7bb1 )
Cybereason malicious.b596bb
Symantec Trojan.Gen.NPE.2
ESET-NOD32 VBS/Agent.NFK
APEX Malicious
Avast VBS:Agent-BRE [Trj]
BitDefender Gen:Heur.SMHeist.3
NANO-Antivirus Trojan.Text.VB.epgwph
MicroWorld-eScan Gen:Heur.SMHeist.3
Tencent Win32.Trojan.Blocker.Ajvz
Ad-Aware Gen:Heur.SMHeist.3
Sophos Mal/Generic-S
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition VBS/Autorun.worm.aako
FireEye Generic.mg.7a9f7e9b596bba9c
Emsisoft Gen:Heur.SMHeist.3 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Blocker.fyk
eGambit Unsafe.AI_Score_99%
Arcabit Trojan.SMHeist.3
ZoneAlarm Trojan-Ransom.Win32.Blocker.jusp
GData Gen:Heur.SMHeist.3
AhnLab-V3 Trojan/Win32.Blocker.C1699991
McAfee Artemis!7A9F7E9B596B
MAX malware (ai score=80)
VBA32 TrojanRansom.Blocker
Panda Trj/CI.A
Yandex Trojan.Blocker!4IaH4c5CO1E
Ikarus Trojan.Win32.Meredrop
MaxSecure Trojan-Ransom.Win32.Crypmod.zfq
Fortinet VBS/Agent.NFK!worm
AVG VBS:Agent-BRE [Trj]
Paloalto generic.ml

How to remove VBS/Agent.NFK?

  • 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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