Written by Robert Bailey

What is Win32/Small.NLL infection?

In this article you will find regarding the meaning of Win32/Small.NLL and its unfavorable effect on your computer. Such ransomware are a kind of malware that is clarified by online scams to demand paying the ransom money by a target.

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Most of the situations, Win32/Small.NLL virus will instruct its sufferers to initiate funds move for the objective of reducing the effects of the amendments that the Trojan infection has actually presented to the sufferer’s tool.

Win32/Small.NLL Summary

These adjustments can be as complies with:

  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the files found on the victim’s disk drive — so the victim can no more use the data;
  • Preventing regular access to the victim’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.


One of the most common channels through which Win32/Small.NLL Ransomware are infused are:

  • By ways of phishing e-mails;
  • As a repercussion of customer winding up on a resource that holds a harmful software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or stop the gadget from working in a proper way – while also placing a ransom note that mentions the need for the victims to effect the repayment for the function of decrypting the papers or bring back the data system back to the first problem. In many circumstances, the ransom note will show up when the client restarts the COMPUTER after the system has actually currently been harmed.

Win32/Small.NLL distribution channels.

In numerous corners of the globe, Win32/Small.NLL expands by leaps and bounds. Nevertheless, the ransom money notes and also methods of obtaining the ransom amount might vary relying on certain local (regional) settings. The ransom money notes and also tricks of extorting the ransom amount may differ depending on particular regional (local) setups.

Ransomware injection

For instance:

    Faulty informs regarding unlicensed software application.

    In certain areas, the Trojans frequently wrongfully report having actually identified some unlicensed applications allowed on the target’s device. The sharp after that demands the user to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In nations where software piracy is less popular, this technique is not as efficient for the cyber scams. Additionally, the Win32/Small.NLL popup alert might incorrectly declare to be deriving from a police establishment as well as will report having located child pornography or other prohibited data on the gadget.

    Win32/Small.NLL popup alert may falsely claim to be deriving from a legislation enforcement organization as well as will certainly report having situated youngster porn or other prohibited information on the gadget. The alert will similarly contain a need for the individual to pay the ransom.

Technical details

File Info:

crc32: F0F21121
md5: de3a5da644a07ba776e1a63e4b740dc6
name: DE3A5DA644A07BA776E1A63E4B740DC6.mlw
sha1: 5b06303b4682fac2d065b1fc83598edb0f766664
sha256: 0ca5c95d7d3c129fdb58cccda6e9323d40aa0852fffeeccac31204d8df5cbad6
sha512: 92504a8474a5099af90b70388a27fec6e9d69148a89960378deabce6346f07a5a7d2652deba1dd7f71febd4268e670cdb3a4152bf4d17d4cc855715685a070da
ssdeep: 24:ZHGStMiDuKrTqG/fMyMBljYulg+XGqTy3fb5+bPNhAvvREWruLZt5G7S5Qgr:ZvtM4TDxGZUqC9+bPPWZDrmMm
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Small.NLL also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 004c3c281 )
Elastic malicious (high confidence)
DrWeb Trojan.Packed
Cynet Malicious (score: 100)
McAfee GenericRXAA-AA!DE3A5DA644A0
Cylance Unsafe
Zillya Trojan.Small.Win32.29601
CrowdStrike win/malicious_confidence_90% (W)
Alibaba Ransom:Win32/Blocker.535c7ee1
K7GW Trojan ( 004c3c281 )
Cybereason malicious.644a07
Cyren W32/Threat-HLLSI-based!Maximus
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Small.NLL
APEX Malicious
Avast FileRepMalware
BitDefender Gen:Variant.Doris.1935
NANO-Antivirus Trojan.Win32.Blocker.exkelq
MicroWorld-eScan Gen:Variant.Doris.1935
Tencent Win32.Trojan.Blocker.Wstu
Ad-Aware Gen:Variant.Doris.1935
Sophos Mal/Generic-S
Comodo Malware@#1790gwbtkvk7g
BitDefenderTheta Gen:NN.ZexaF.34628.ayW@aOOl3xc
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Trojan.zz
Emsisoft Gen:Variant.Doris.1935 (B)
SentinelOne Static AI – Suspicious PE
Jiangmin Trojan.Blocker.idv
Webroot W32.Trojan.Gen
Avira HEUR/AGEN.1105096
Microsoft Trojan:Win32/Ymacco.AA0C
AegisLab Trojan.Win32.Blocker.j!c
GData Gen:Variant.Doris.1935
TACHYON Ransom/W32.Blocker.3584.B
Acronis suspicious
VBA32 Trojan-Ransom.Blocker
MAX malware (ai score=95)
Malwarebytes Malware.Heuristic.1003
Panda Trj/Chgt.O
Rising Trojan.Small!8.A9 (CLOUD)
Ikarus Trojan.Win32.Small
Fortinet W32/Small.NLL!tr
AVG FileRepMalware
Qihoo-360 Win32/Ransom.Blocker.HgIASOcA

How to remove Win32/Small.NLL ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run 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.

Run Setup.exe

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.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/Small.NLL 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.

GridinSoft Anti-Malware Scanning

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.

GridinSoft Anti-Malware Scan Result

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

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Win32/Small.NLL you can always ask me in the comments for getting help.

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  1. GridinSoft Anti-Malware Review from HowToFix site:
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About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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