What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the BAT/KillFiles.NRX detection means that your PC is in big danger. This virus can correctly be identified as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Deleteing it requires some peculiar steps that must be done as soon as possible.
GridinSoft Anti-Malware Review
It is better to prevent, than repair and repent!
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.
Gridinsoft Anti-Malware 6-day trial available.
EULA | Privacy Policy | 10% Off Coupon
Subscribe to our Telegram channel to be the first to know about news and our exclusive materials on information security.

BAT/KillFiles.NRX detection is a malware detection you can spectate in your computer. It frequently appears after the provoking procedures on your computer – opening the suspicious e-mail messages, clicking the advertisement in the Internet or mounting the program from dubious sources. From the instance it shows up, you have a short time to act until it begins its malicious action. And be sure – it is much better not to await these harmful effects.

What is BAT/KillFiles.NRX virus?

BAT/KillFiles.NRX is ransomware-type malware. It looks for the files on your computer, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus additionally does a ton of damage to your system. It changes the networking setups in order to prevent you from looking for the elimination articles or downloading the anti-malware program. Sometimes, BAT/KillFiles.NRX can even block the setup of anti-malware programs.

BAT/KillFiles.NRX Summary

Summarizingly, BAT/KillFiles.NRX malware actions in the infected system are next:

  • The binary contains an unknown PE section name indicative of packing;
  • The binary likely contains encrypted or compressed data.;
  • The executable is compressed using UPX;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Attempts to repeatedly call a single API many times in order to delay analysis time;
  • Deletes executed files from disk;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Encrypting the files kept on the target’s disk — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of security tools

Ransomware has actually been a nightmare for the last 4 years. It is difficult to picture a more harmful virus for both individuals and corporations. The algorithms utilized in BAT/KillFiles.NRX (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need a lot more time than our galaxy actually exists, and possibly will exist. But that malware does not do all these horrible things instantly – it may require up to several hours to cipher all of your files. Thus, seeing the BAT/KillFiles.NRX detection is a clear signal that you have to begin the elimination procedure.

Where did I get the BAT/KillFiles.NRX?

Routine ways of BAT/KillFiles.NRX injection are standard for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a quite new method in malware spreading – you get the email that mimics some regular notifications about deliveries or bank service conditions modifications. Inside of the email, there is a corrupted MS Office file, or a link which opens the exploit landing page.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks fairly easy, however, still requires a lot of recognition. Malware can hide in different places, and it is much better to stop it even before it goes into your PC than to rely on an anti-malware program. Essential cybersecurity awareness is just an important item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may keep you a lot of money and time which you would spend while searching for a solution.

BAT/KillFiles.NRX malware technical details

File Info:

name: 207F6373B3AFAD425D3C.mlw
path: /opt/CAPEv2/storage/binaries/70c2e01a225f02746c86a96faa7e2bd6e67bc06bbb64f7a866c1540b746ad7c6
crc32: 3ADA3124
md5: 207f6373b3afad425d3cb93aaa854537
sha1: 917bce8f65360c71d2ea81a773b1c0de7c23dd50
sha256: 70c2e01a225f02746c86a96faa7e2bd6e67bc06bbb64f7a866c1540b746ad7c6
sha512: a4b4ecffd86b0a2919477e61452ffce3b3d9fc3b87d2848483df10bcf4ad3513f60a98c12e3879356edd6c95e43e9a36abbecf7c89b52908cbb95a5a28c538fe
ssdeep: 768:o6WymqOm+2hq2StkO6BnUcXlxlqB6emrIznbcuyD7U:o6Wy4m+r2kncXkTmrIznouy8
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T189D2E113D290473AC5CD26B52EBF35830324962AF045D7AB99B6737EEC417282C586A7
sha3_384: 86315c698cdee3895ad3acd9ef617185c4a2ff71ea3537a716d7d2defb89e59216188d1f6b60f67d5ed6bbf7e7cdb949
ep_bytes: 60be15c040008dbeeb4fffff5789e58d
timestamp: 2015-06-15 16:06:34

Version Info:

0: [No Data]

BAT/KillFiles.NRX also known as:

Elasticmalicious (moderate confidence)
AvastFileRepMalware [Trj]
EmsisoftTrojan.Generic (A)
SentinelOneStatic AI – Malicious PE
GDataGen:Heur.Bat.1 (2x)
MAXmalware (ai score=87)
ArcabitTrojan.Bat.1 [many]
CynetMalicious (score: 100)
RisingRansom.Gen!8.DE83 (C64:YzY0OsAGwTzhll5p)
AVGFileRepMalware [Trj]
CrowdStrikewin/malicious_confidence_90% (W)

How to remove BAT/KillFiles.NRX?

BAT/KillFiles.NRX malware is incredibly difficult to delete manually. It stores its files in multiple places throughout the disk, and can recover itself from one of the parts. Moreover, countless changes in the registry, networking settings and also Group Policies are quite hard to identify and revert to the original. It is better to utilize a special tool – exactly, an anti-malware tool. GridinSoft Anti-Malware will definitely fit the best for virus removal objectives.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated nearly every hour. In addition, it does not have such bugs and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for eliminating malware of any kind.

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process

  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results

  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning
User Review
0 (0 votes)
Comments Rating 0 (0 reviews)

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.

Leave a Reply