BAT/Small.NAJ

Written by Robert Bailey

What is BAT/Small.NAJ infection?

In this post you will certainly discover concerning the definition of BAT/Small.NAJ as well as its unfavorable influence on your computer. Such ransomware are a type of malware that is clarified by on-line fraudulences to require paying the ransom by a target.

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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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Most of the situations, BAT/Small.NAJ virus will instruct its sufferers to initiate funds move for the purpose of counteracting the amendments that the Trojan infection has introduced to the sufferer’s tool.

BAT/Small.NAJ Summary

These alterations can be as complies with:

  • Reads data out of its own binary image;
  • Network activity detected but not expressed in API logs;
  • Anomalous binary characteristics;
  • Ciphering the records found on the sufferer’s disk drive — so the target can no longer utilize the data;
  • Preventing normal accessibility to the target’s workstation;

BAT/Small.NAJ

One of the most regular channels whereby BAT/Small.NAJ Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of user winding up on a source that hosts a harmful software program;

As soon as the Trojan is effectively infused, it will either cipher the information on the victim’s PC or avoid the gadget from operating in an appropriate fashion – while also putting a ransom money note that states the requirement for the sufferers to impact the repayment for the objective of decrypting the documents or restoring the file system back to the preliminary condition. In the majority of circumstances, the ransom money note will come up when the customer reboots the PC after the system has actually already been harmed.

BAT/Small.NAJ distribution channels.

In various edges of the world, BAT/Small.NAJ expands by leaps and bounds. Nonetheless, the ransom notes and tricks of extorting the ransom quantity might differ depending on specific regional (regional) settings. The ransom notes as well as methods of extorting the ransom money quantity may vary depending on specific neighborhood (local) settings.

Ransomware injection

As an example:

    Faulty notifies regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having detected some unlicensed applications made it possible for on the target’s gadget. The alert then requires the user to pay the ransom money.

    Faulty declarations about prohibited content.

    In countries where software piracy is less prominent, this approach is not as efficient for the cyber scams. Additionally, the BAT/Small.NAJ popup alert might wrongly assert to be stemming from a law enforcement institution and will certainly report having situated youngster pornography or various other prohibited information on the tool.

    BAT/Small.NAJ popup alert might incorrectly claim to be obtaining from a legislation enforcement establishment as well as will certainly report having situated child porn or other illegal information on the tool. The alert will similarly consist of a requirement for the user to pay the ransom.

Technical details

File Info:

crc32: 4BC0A363
md5: 96364d4dd52255087458d1b3a4431e16
name: 96364D4DD52255087458D1B3A4431E16.mlw
sha1: d13f1730e4f3bbb369435a980a7e7a1446ed2fab
sha256: 31a175aeafbc2623f37c40ebc9cd0594176ca2f80a5384a0c8b9637e0a8ba87c
sha512: 13e0e7a0f393602371fb2e0fa0e2360ac4f7ea3ce449782237a75781ed883ef840362c95befe1e2fd93146fa72e4ef5cb4e59cc3c1d078944b4b09adfbdea2a5
ssdeep: 1536:wgYPhQXwIiPrrjThO+lUBrzCxry1ec7rUyj239aum1U3zd5:LYP2XerzhOUxu/XUtauE8zv
type: PE32 executable (GUI) Intel 80386, for MS Windows, RAR self-extracting archive

Version Info:

0: [No Data]

BAT/Small.NAJ also known as:

GridinSoft Trojan.Ransom.Gen
K7AntiVirus Trojan ( 0052fa0c1 )
Cylance Unsafe
Alibaba Trojan:BAT/Generic.a8849715
K7GW Trojan ( 0052fa0c1 )
Symantec Ransom.Satan
ESET-NOD32 BAT/Small.NAJ
APEX Malicious
Avast FileRepMalware
Sophos Mal/Generic-S
Comodo Malware@#25y9628fmxtxf
VIPRE Trojan.Win32.Generic!BT
McAfee-GW-Edition BehavesLike.Win32.Dropper.nh
Webroot W32.Malware.Gen
Kingsoft Win32.Troj.Small.(kcloud)
Microsoft PUA:Win32/Presenoker
McAfee Artemis!96364D4DD522
Ikarus Trojan.BAT.Small
AVG FileRepMalware

How to remove BAT/Small.NAJ virus?

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 BAT/Small.NAJ 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 BAT/Small.NAJ you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: http://gridinsoft.com/products/

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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