Win32/Small.NUC
James White
Updated on March 08, 2026
What is Win32/Small.NUC infection?
In this post you will certainly find concerning the interpretation of Win32/Small.NUC and its negative influence on your computer. Such ransomware are a kind of malware that is specified by on-line frauds to require paying the ransom by a sufferer.
In the majority of the cases, Win32/Small.NUC infection will instruct its sufferers to launch funds transfer for the purpose of reducing the effects of the changes that the Trojan infection has actually introduced to the target’s device.
Win32/Small.NUC Summary
These adjustments can be as follows:
- Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
- Ciphering the files found on the target’s hard disk drive — so the victim can no more use the data;
- Preventing routine access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Win32/Small.NUC
One of the most typical channels whereby Win32/Small.NUC Trojans are infused are:
- By means of phishing e-mails;
- As a consequence of customer ending up on a source that organizes a destructive software application;
As quickly as the Trojan is successfully injected, it will certainly either cipher the information on the sufferer’s computer or prevent the device from functioning in an appropriate way – while likewise placing a ransom money note that points out the need for the sufferers to impact the settlement for the objective of decrypting the files or bring back the file system back to the preliminary problem. In a lot of circumstances, the ransom money note will turn up when the client reboots the PC after the system has actually currently been harmed.
Win32/Small.NUC distribution channels.
In numerous edges of the world, Win32/Small.NUC grows by jumps and bounds. However, the ransom money notes and methods of obtaining the ransom money amount may differ relying on certain neighborhood (local) settings. The ransom money notes and methods of obtaining the ransom quantity may differ depending on particular local (local) setups.
For instance:
Faulty signals about unlicensed software.
In certain areas, the Trojans frequently wrongfully report having found some unlicensed applications allowed on the target’s device. The alert then demands the individual to pay the ransom.
Faulty declarations concerning prohibited material.
In countries where software piracy is less popular, this technique is not as effective for the cyber scams. Additionally, the Win32/Small.NUC popup alert might wrongly declare to be stemming from a police institution as well as will report having located child porn or various other prohibited information on the gadget.
Win32/Small.NUC popup alert may falsely claim to be acquiring from a legislation enforcement organization and will certainly report having located youngster pornography or various other prohibited data on the tool. The alert will similarly have a requirement for the user to pay the ransom.
Technical details
File Info:
crc32: E5F1B968md5: 75cf0a27607112fac4776fe3bd7b7f84name: 75CF0A27607112FAC4776FE3BD7B7F84.mlwsha1: 68b3c6f8843a3a8ff809cacff4bac574b91ecd0bsha256: 1e3690d5e1c37ff2c74830cc4d2478fdd5edd9ca339e65055415e2e8bb3f9034sha512: ff59f7ac31f2d44d22205b574ea06a91b30ec575ed34550afdf08a95291b2c9e7f00b60a7f7c510e31b0c289ecbb06e649432813135aa5f59a7f0396b6b223cfssdeep: 384:5UdgmLVY7h6OmdhJwT5Lma/e2N035XHWkgZHWkgZHWkgjeTxN4iFhQHWkgoHWkgq:5il2sytype: PE32 executable (console) Intel 80386, for MS WindowsVersion Info:
0: [No Data]
Win32/Small.NUC also known as:
| GridinSoft | Trojan.Ransom.Gen |
| Elastic | malicious (high confidence) |
| MicroWorld-eScan | Gen:Variant.Ransom.RotorCrypt.8 |
| FireEye | Generic.mg.75cf0a27607112fa |
| Qihoo-360 | Win32/Trojan.Generic.HgIASOQA |
| McAfee | RDN/Generic.hbg |
| Cylance | Unsafe |
| VIPRE | Trojan.Win32.Generic!BT |
| AegisLab | Trojan.Win32.RotorCrypt.4!c |
| Sangfor | Suspicious.Win32.SpikeAex.PEVFSZL |
| BitDefender | Gen:Variant.Ransom.RotorCrypt.8 |
| Cybereason | malicious.760711 |
| BitDefenderTheta | Gen:NN.ZexaF.34608.cmW@aSWzWd |
| Cyren | W32/Katusha.I.gen!Eldorado |
| Symantec | ML.Attribute.HighConfidence |
| APEX | Malicious |
| Avast | Win32:Malware-gen |
| Alibaba | Trojan:Win32/RotorCrypt.8bca9ca3 |
| Rising | Trojan.Occamy!8.F1CD (CLOUD) |
| Ad-Aware | Gen:Variant.Ransom.RotorCrypt.8 |
| Emsisoft | Gen:Variant.Ransom.RotorCrypt.8 (B) |
| Comodo | Malware@#1kct6sxotxre6 |
| F-Secure | |
| McAfee-GW-Edition | RDN/Generic.hbg |
| Sophos | Mal/Generic-S |
| Ikarus | Trojan.RotorCrypt |
| Avira | HEUR/AGEN.1108149 |
| Microsoft | Trojan:Win32/Occamy.B |
| Arcabit | Trojan.Ransom.RotorCrypt.8 |
| GData | Gen:Variant.Ransom.RotorCrypt.8 |
| Cynet | Malicious (score: 90) |
| ESET-NOD32 | a variant of Win32/Small.NUC |
| Acronis | suspicious |
| VBA32 | BScope.Trojan.Tiggre |
| ALYac | Gen:Variant.Ransom.RotorCrypt.8 |
| Malwarebytes | |
| Yandex | Trojan.GenAsa!Yn5xfP4bBcQ |
| Fortinet | W32/Katusha.A!tr |
| AVG | Win32:Malware-gen |
| Paloalto | generic.ml |
| CrowdStrike | win/malicious_confidence_100% (W) |
| MaxSecure | Trojan.Malware.74116664.susgen |
How to remove Win32/Small.NUC ransomware?
There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft">2.
Download GridinSoft Anti-Malware.
You can download GridinSoft Anti-Malware by clicking the button below:
Download GridinSoft Anti-MalwareRun the setup file.
When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.
An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.
Press “Install” button.
Once installed, Anti-Malware will automatically run.
Wait for the Anti-Malware scan to complete.
GridinSoft Anti-Malware will automatically start scanning your system for Win32/Small.NUC files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.
Click on “Clean Now”.
When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.
Are Your Protected?
GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:
Full version of GridinSoft Anti-Malware
If the guide doesn’t help you to remove Win32/Small.NUC you can always ask me in the comments for getting help.
References
- GridinSoft Anti-Malware Review from HowToFix site:
- More information about GridinSoft products:
