Worm

Should I remove “Worm:Win32/Nuj.A”?

Malware Removal

The Worm:Win32/Nuj.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.

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 Worm:Win32/Nuj.A virus can do?

  • Executable code extraction
  • Creates RWX memory
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • Creates an autorun.inf file
  • Creates or sets a registry key to a long series of bytes, possibly to store a binary or malware config
  • Installs itself for autorun at Windows startup
  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

Related domains:

z.whorecord.xyz
a.tomx.xyz

How to determine Worm:Win32/Nuj.A?


File Info:

crc32: 1FBDA202
md5: 6ab33ded2f1c1eb28c1edb09683c54bc
name: udiskper.exe
sha1: f951d09f69e2c89abfffe76ce43ca11ffd57394c
sha256: f8f0bd3cff9f47bfdabfc4d7490c140171bd2f19bd3b91c3f6bcfaba6d48cc3e
sha512: d99c148824dbb6466a1019beb8f42feaa621997957fb417799ac0350f5ac04a1351e8097a3f94536402add35a8af719d6135717cc4ad0363d521f64cb61ded5a
ssdeep: 24576:+E8pKmH4Jl7MDotFmX6MUzmTBjXeotaurS9kNj:+EObYPGotFMyzmT1NO92j
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Worm:Win32/Nuj.A also known as:

BkavW32.GenericFlystudio.Trojan
nProtectTrojan/W32.Agent.827300
CMCTrojan-Dropper.Win32.Flystud!O
CAT-QuickHealWorm.Nuj.IM6
CylanceUnsafe
SUPERAntiSpywareTrojan.Agent/Gen-Flystudio
K7GWAdware ( 004b897e1 )
K7AntiVirusAdware ( 004b897e1 )
Invinceaheuristic
BaiduWin32.Trojan.WisdomEyes.16070401.9500.9582
F-ProtW32/Nuj.A.gen!Eldorado
SymantecTrojan.ADH
TotalDefenseWin32/Nuj.ACN
TrendMicro-HouseCallTROJ_GEN.R4AE1AP
Paloaltogeneric.ml
ClamAVWin.Dropper.Agent-34320
NANO-AntivirusTrojan.Win32.FlyStudio.dswuoo
AegisLabTroj.R4Ae1Ap.Gen!c
AvastWin32:AutoRun-LY [Wrm]
TencentWin32.Trojan.Gen.Wrqp
Endgamemalicious (high confidence)
ComodoApplicUnsaf.Win32.HackTool.FlySky.AC
F-SecureTrojan-Downloader:W32/VB.BUE
VIPREBackdoor.Win32.FlyAgent.h (v)
TrendMicroTROJ_GEN.R4AE1AP
McAfee-GW-EditionBehavesLike.Win32.Autorun.cc
SophosW32/SillyFDC-DX
IkarusWorm.Win32.Nuj
CyrenW32/Nuj.A.gen!Eldorado
AviraTR/Dropper.Gen
MicrosoftWorm:Win32/Nuj.A
ViRobotTrojan.Win32.Z.Nuj.827300
GDataWin32.Trojan.FlyStudio.B
AhnLab-V3Win32/Flystudio.worm.Gen
McAfeeRDN/Generic PUP.z
AVwareBackdoor.Win32.FlyAgent.h (v)
MalwarebytesWorm.AutoRun
WhiteArmorMalware.HighConfidence
ZonerTrojan.tDeEiPkbb
ESET-NOD32a variant of Win32/Packed.FlyStudio potentially unwanted
RisingTrojan.Generic (cloud:uqmLgcFszfQ)
SentinelOnestatic engine – malicious
FortinetW32/BDoor.DRV!tr
AVGWin32:AutoRun-LY [Wrm]
CrowdStrikemalicious_confidence_100% (W)

How to remove Worm:Win32/Nuj.A?

Worm:Win32/Nuj.A 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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