Written by Robert Bailey

What is BAT/KillFiles.NQU infection?

In this article you will discover about the meaning of BAT/KillFiles.NQU and its unfavorable influence on your computer system. Such ransomware are a form of malware that is clarified by online frauds to require paying the ransom money by a target.

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In the majority of the instances, BAT/KillFiles.NQU ransomware will advise its sufferers to start funds move for the objective of neutralizing the modifications that the Trojan infection has actually presented to the victim’s tool.

BAT/KillFiles.NQU Summary

These alterations can be as adheres to:

  • Attempts to repeatedly call a single API many times in order to delay analysis time. This significantly complicates the work of the virus analyzer. Typical malware tactics!
  • Writes a potential ransom message to disk;
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the sufferer’s hard disk — so the sufferer can no longer make use of the data;
  • Preventing routine access to the sufferer’s workstation;


One of the most typical networks whereby BAT/KillFiles.NQU Trojans are injected are:

  • By methods of phishing emails;
  • As a consequence of user ending up on a source that hosts a harmful software program;

As soon as the Trojan is successfully infused, it will either cipher the data on the sufferer’s computer or prevent the tool from functioning in a correct manner – while additionally positioning a ransom money note that mentions the need for the victims to effect the repayment for the objective of decrypting the documents or recovering the documents system back to the first condition. In most instances, the ransom note will show up when the client restarts the COMPUTER after the system has already been harmed.

BAT/KillFiles.NQU circulation networks.

In various edges of the world, BAT/KillFiles.NQU grows by leaps as well as bounds. However, the ransom notes and methods of extorting the ransom money quantity may vary relying on specific regional (regional) settings. The ransom notes and methods of extorting the ransom quantity may vary depending on certain local (regional) settings.

Ransomware injection

For example:

    Faulty alerts about unlicensed software program.

    In certain locations, the Trojans often wrongfully report having actually identified some unlicensed applications made it possible for on the victim’s gadget. The alert after that requires the user to pay the ransom money.

    Faulty statements about illegal web content.

    In nations where software application piracy is less popular, this method is not as effective for the cyber frauds. Alternatively, the BAT/KillFiles.NQU popup alert might incorrectly claim to be stemming from a police institution and also will report having situated youngster porn or other illegal data on the device.

    BAT/KillFiles.NQU popup alert might falsely declare to be acquiring from a legislation enforcement establishment and will report having situated kid porn or other unlawful information on the gadget. The alert will in a similar way contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 4F225A9C
md5: 3c065a13a229dd0ebb1f79521022473f
name: 3C065A13A229DD0EBB1F79521022473F.mlw
sha1: ba9a45b19d6ab74be492a59bdb8d73f666eb7620
sha256: 31f11d0b6bbf34d2b87990dc6d38a1bfcba98193b6539738e9e25c25d6f0f423
sha512: a3bda90e5762074534ad157fbb8909b439e7bc27f2e77186b791a6feccdae10955c90421b035171e4c6621030ba819ed38aa312184156cc910b4b25ca4944980
ssdeep: 1536:bH7ftfkS5g9YOms+gZcQipICdXkNDqLLZX9lItVGL++eIOlnToIfCwNR:bbFfHgTWmCRkGbKGLeNTBfCcR
type: PE32 executable (console) Intel 80386, for MS Windows

Version Info:

0: [No Data]

BAT/KillFiles.NQU also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 0057b6411 )
Cynet Malicious (score: 100)
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
Alibaba Trojan:BAT/KillFiles.96e54b73
K7GW Trojan ( 0057b6411 )
Cybereason malicious.19d6ab
Cyren W32/Nitol.AB.gen!Eldorado
Symantec ML.Attribute.HighConfidence
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Encoder.mee
BitDefender Trojan.GenericKD.36805123
NANO-Antivirus Trojan.Win32.Encoder.iumphc
MicroWorld-eScan Trojan.GenericKD.36805123
Ad-Aware Trojan.GenericKD.36805123
Sophos Mal/Generic-S
Emsisoft Trojan.GenericKD.36805123 (B)
eGambit Unsafe.AI_Score_92%
Microsoft Program:Win32/Wacapew.C!ml
AegisLab Trojan.Win32.Encoder.j!c
GData Trojan.GenericKD.36805123
TACHYON Trojan/W32.Agent.91136.ACQ
McAfee Artemis!3C065A13A229
MAX malware (ai score=87)
VBA32 TrojanRansom.Encoder
TrendMicro-HouseCall TROJ_GEN.R002H07DO21
Rising Ransom.Encoder!8.FFD4 (CLOUD)
Ikarus Trojan.BAT.KillFiles
MaxSecure Trojan.Malware.300983.susgen
Fortinet Malicious_Behavior.SB
AVG Win32:Malware-gen

How to remove BAT/KillFiles.NQU 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/KillFiles.NQU 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/KillFiles.NQU 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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