The Win32/Spy.KeyLogger.NUK 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 Win32/Spy.KeyLogger.NUK virus can do?
- Behavioural detection: Executable code extraction – unpacking
- SetUnhandledExceptionFilter detected (possible anti-debug)
- Attempts to connect to a dead IP:Port (1 unique times)
- Yara rule detections observed from a process memory dump/dropped files/CAPE
- Guard pages use detected – possible anti-debugging.
- A process attempted to delay the analysis task.
- Dynamic (imported) function loading detected
- Enumerates running processes
- Repeatedly searches for a not-found process, may want to run with startbrowser=1 option
- Reads data out of its own binary image
- Unconventionial binary language: Chinese (Simplified)
- Unconventionial language used in binary resources: Chinese (Simplified)
- The binary contains an unknown PE section name indicative of packing
- The binary likely contains encrypted or compressed data.
- The executable is likely packed with VMProtect
- Authenticode signature is invalid
- A scripting utility was executed
- Deletes its original binary from disk
How to determine Win32/Spy.KeyLogger.NUK?
File Info:
name: 34D99DD7880D37E73309.mlwpath: /opt/CAPEv2/storage/binaries/ed56b972d3376b828104b3583f11ea3ed84eb213a06f9b2306e6c65e0af449f2crc32: EEDBDE59md5: 34d99dd7880d37e7330957625413d4dasha1: 1b77504fb0f674203f0934626eb1455ae99f52ffsha256: ed56b972d3376b828104b3583f11ea3ed84eb213a06f9b2306e6c65e0af449f2sha512: 1a334930ad5072cf0f087d64a2b223d58ebf11ef9d93b25da90f57c93125c9465a34edffc9c4a7c0ec9aa2bffa552676f20bf980abb0fb268b4cf133f8ff940cssdeep: 12288:fgudMEIV5yvRdKYRv5qA5TzeFPUPxqs8jpf3jRTJqaCvLN5vn1IXsnn23sGKc87O:3yEI+vR8YR7VqF3jF3jl87Yskspc8xFWtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1FCF423AB6343A092C07809756C176E4D2760B812193DBB474F393F1DAEAAB7B7DD102Csha3_384: cde6e4fa0710e125f28b7b529beac58084216e5ef3d4ae889c9b836eb96fd7f5c1664f2d4ee1ca159ccd48a4e18fa982ep_bytes: 68332363c1e8736a0a0099e101908001timestamp: 2021-05-11 01:53:55Version Info:
FileVersion: 1.0.0.0FileDescription: 2.2.2.2ProductName: 1.0.0.1ProductVersion: 1.0.0.0CompanyName: by阿三LegalCopyright: 印度阿三Comments: 4.4.4.4Translation: 0x0804 0x04b0
Win32/Spy.KeyLogger.NUK also known as:
| Bkav | W32.AIDetect.malware1 |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | DeepScan:Generic.Malware.SFLMYVdC.384E6664 |
| FireEye | Generic.mg.34d99dd7880d37e7 |
| Malwarebytes | Spyware.KeyLogger |
| CrowdStrike | win/malicious_confidence_70% (D) |
| K7GW | Adware ( 004b942f1 ) |
| K7AntiVirus | Adware ( 004b942f1 ) |
| Cyren | W32/Trojan.JO.gen!Eldorado |
| Symantec | ML.Attribute.HighConfidence |
| tehtris | Generic.Malware |
| ESET-NOD32 | a variant of Win32/Spy.KeyLogger.NUK |
| APEX | Malicious |
| Kaspersky | VHO:Trojan.Win32.Convagent.gen |
| BitDefender | DeepScan:Generic.Malware.SFLMYVdC.384E6664 |
| Avast | Win32:SpywareX-gen [Trj] |
| Ad-Aware | DeepScan:Generic.Malware.SFLMYVdC.384E6664 |
| Emsisoft | DeepScan:Generic.Malware.SFLMYVdC.384E6664 (B) |
| Comodo | TrojWare.Win32.Agent.OSCF@5rs7jr |
| DrWeb | Trojan.MulDrop18.60249 |
| McAfee-GW-Edition | BehavesLike.Win32.Flyagent.bc |
| Sophos | Generic ML PUA (PUA) |
| Ikarus | Trojan.Win32.FlyAgent |
| Avira | TR/Spy.KeyLogger.cvqoy |
| Microsoft | Trojan:Win32/Sabsik.FL.B!ml |
| GData | DeepScan:Generic.Malware.SFLMYVdC.384E6664 |
| Cynet | Malicious (score: 100) |
| AhnLab-V3 | Trojan/Win.SFLMYVdC.C5113779 |
| BitDefenderTheta | Gen:NN.ZexaF.34638.TC1@a0LRnTib |
| MAX | malware (ai score=89) |
| VBA32 | BScope.Trojan.Dynamer |
| Cylance | Unsafe |
| Rising | Spyware.Keylogger!8.12F (RDMK:cmRtazoFwqSALp8QT50) |
| SentinelOne | Static AI – Malicious PE |
| MaxSecure | Trojan.Malware.300983.susgen |
| AVG | Win32:SpywareX-gen [Trj] |
How to remove Win32/Spy.KeyLogger.NUK?
- 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.
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