BAT/KillFiles.NLS

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is BAT/KillFiles.NLS infection?

In this short article you will certainly locate concerning the definition of BAT/KillFiles.NLS as well as its adverse impact on your computer. Such ransomware are a form of malware that is elaborated by on the internet fraudulences to demand paying the ransom by a sufferer.

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Most of the instances, BAT/KillFiles.NLS ransomware will certainly instruct its targets to launch funds move for the purpose of neutralizing the modifications that the Trojan infection has actually presented to the sufferer’s gadget.

BAT/KillFiles.NLS Summary

These adjustments can be as adheres to:

  • A process created a hidden window;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Exhibits possible ransomware file modification behavior;
  • 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.
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the papers situated on the target’s hard disk drive — so the sufferer can no more make use of the data;
  • Preventing routine accessibility 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.
Similar behavior
Related domains
z.whorecord.xyz Ransom.Win32.Gen.fct
a.tomx.xyz Ransom.Win32.Gen.fct

BAT/KillFiles.NLS

One of the most regular channels through which BAT/KillFiles.NLS are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a source that organizes a malicious software program;

As quickly as the Trojan is successfully injected, it will either cipher the information on the target’s PC or stop the device from functioning in an appropriate fashion – while also putting a ransom money note that states the demand for the sufferers to effect the repayment for the objective of decrypting the documents or bring back the documents system back to the preliminary problem. In a lot of circumstances, the ransom note will certainly come up when the customer reboots the PC after the system has actually already been harmed.

BAT/KillFiles.NLS circulation channels.

In numerous corners of the world, BAT/KillFiles.NLS grows by jumps as well as bounds. However, the ransom notes and also techniques of obtaining the ransom money amount may differ relying on particular neighborhood (local) settings. The ransom notes as well as methods of extorting the ransom quantity might differ depending on certain local (local) setups.

Ransomware injection

For example:

    Faulty notifies about unlicensed software application.

    In certain locations, the Trojans commonly wrongfully report having actually found some unlicensed applications made it possible for on the sufferer’s device. The sharp then requires the individual to pay the ransom money.

    Faulty statements concerning unlawful web content.

    In countries where software piracy is much less prominent, this technique is not as efficient for the cyber scams. Alternatively, the BAT/KillFiles.NLS popup alert may wrongly claim to be deriving from a police establishment and also will certainly report having situated child pornography or other unlawful data on the device.

    BAT/KillFiles.NLS popup alert might wrongly assert to be deriving from a legislation enforcement institution as well as will certainly report having situated child porn or various other illegal data on the tool. The alert will in a similar way have a need for the customer to pay the ransom.

Technical details

File Info:

crc32: 0C0E5391
md5: 732f6a19d24826458d3f12d59340377a
name: 732F6A19D24826458D3F12D59340377A.mlw
sha1: 358efc9a597bfc8cc47d75c0bd3a619d952146d3
sha256: 4e10a0ca3d16f4cb69bdd2b7dee0810407d987bf7600f21c1399f34b2afcebd4
sha512: bb1e0869e13a40c968ec17acde77c3f991bc64c4899d8ec0efd0cebea99f7342fc3d3831517cbf2bf3006082607d35dcc3b580d8ee3580091af1390a19ccdeb0
ssdeep: 3072:w7cWbu+outy35haWzTQl5Cn8e/n/V7UvdfMVQI+Ctb:wFLoSyph/MWnr3V7UvdUv+
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

0: [No Data]

BAT/KillFiles.NLS also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetect.malware2
MicroWorld-eScan Trojan.GenericKD.5872709
FireEye Generic.mg.732f6a19d2482645
ALYac Trojan.GenericKD.5872709
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
Sangfor Ransom.Win32.Gen.fct
BitDefender Trojan.GenericKD.5872709
K7GW Backdoor ( 00557edb1 )
K7AntiVirus Backdoor ( 00557edb1 )
Symantec ML.Attribute.HighConfidence
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Ransom.Win32.Gen.fct
Alibaba Ransom:Win32/KillFiles.5f01998c
NANO-Antivirus Trojan.Win32.Mlw.ewxulo
AegisLab Trojan.Multi.Generic.4!c
Ad-Aware Trojan.GenericKD.5872709
Sophos Mal/Generic-S
TrendMicro TROJ_GEN.USGH2117
McAfee-GW-Edition BehavesLike.Win32.Dropper.cc
Emsisoft Trojan.GenericKD.5872709 (B)
Ikarus Trojan.Bat.Deleter
Jiangmin Trojan.Gen.mc
MaxSecure Virus.BAT.Bomgen
MAX malware (ai score=100)
Microsoft Trojan:Win32/Skeeyah.A!bit
Arcabit Trojan.Generic.D599C45
ZoneAlarm Trojan-Ransom.Win32.Gen.fct
GData Trojan.GenericKD.5872709
McAfee Artemis!732F6A19D248
Malwarebytes Malware.Heuristic.1003
Panda Trj/CI.A
ESET-NOD32 BAT/KillFiles.NLS
TrendMicro-HouseCall TROJ_GEN.USGH2117
Tencent Win32.Trojan.Gen.Aeod
Yandex Trojan.Gen!cw4DcwUrkKU
Fortinet W32/Gen.FCT!tr
AVG Win32:Malware-gen
Paloalto generic.ml
Qihoo-360 Win32/Trojan.6a5

How to remove BAT/KillFiles.NLS 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 BAT/KillFiles.NLS 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:

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If the guide doesn’t help you to remove BAT/KillFiles.NLS 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: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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