Categories: Malware

Win32/Small.NUC removal guide

The Win32/Small.NUC 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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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 Win32/Small.NUC virus can do?

  • Network activity detected but not expressed in API logs
  • Anomalous binary characteristics

How to determine Win32/Small.NUC?


File Info:

crc32: 7697502Emd5: d4ecdd9070c47e8248a647033c9ea4d3name: D4ECDD9070C47E8248A647033C9EA4D3.mlwsha1: 0f06d292867ffbef88d8f22f3648d618d6bdc551sha256: 801543860feda44937c78a67e2f54f1d62bd98b050c62b7e16505c00076bcbf0sha512: 1870b15249f35d7886502b48d464b0bce48dfaeb0e14b229c610df7dbc9bf0f94564492412a0b73e57fb22191b952b057fe3b3bf00610af7e534646d2c4366e9ssdeep: 384:5fhocvamy38DeB4efeN74m3KHtNHt8reuQMIfx0BT:5WuDeBRWqGqt8reuQMI6ltype: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Small.NUC also known as:

Lionic Trojan.Win32.RotorCrypt.4!c
Elastic malicious (high confidence)
MicroWorld-eScan Gen:Variant.Ransom.RotorCrypt.8
ALYac Gen:Variant.Ransom.RotorCrypt.8
Cylance Unsafe
Alibaba Trojan:Win32/RotorCrypt.2b3f1e29
Cybereason malicious.070c47
Cyren W32/Katusha.I.gen!Eldorado
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Small.NUC
Zoner Probably Heur.ExeHeaderH
APEX Malicious
Avast Win32:Malware-gen
Cynet Malicious (score: 99)
BitDefender Gen:Variant.Ransom.RotorCrypt.8
Ad-Aware Gen:Variant.Ransom.RotorCrypt.8
Sophos ML/PE-A
Comodo Malware@#qnpptylp87v5
BitDefenderTheta Gen:NN.ZexaF.34110.cmW@aazyEmb
McAfee-GW-Edition Artemis!Trojan
FireEye Generic.mg.d4ecdd9070c47e82
Emsisoft Gen:Variant.Ransom.RotorCrypt.8 (B)
Avira HEUR/AGEN.1108149
GData Gen:Variant.Ransom.RotorCrypt.8
AhnLab-V3 Malware/Win32.Generic.C3101536
McAfee Artemis!D4ECDD9070C4
MAX malware (ai score=100)
VBA32 BScope.Trojan.Tiggre
Panda Trj/CI.A
Rising Trojan.Generic@ML.100 (RDML:tHJGhBKziLYF9QZ4mPfX6A)
Yandex Trojan.GenAsa!Yn5xfP4bBcQ
Ikarus Trojan.RotorCrypt
MaxSecure Trojan.Malware.7175203.susgen
Fortinet W32/Katusha.A!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Win32/Small.NUC?

  • 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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