What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the BAT/Agent.NSA malware detection usually means that your computer is in big danger. This malware can correctly be named as ransomware – virus which ciphers your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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BAT/Agent.NSA detection is a virus detection you can spectate in your system. It usually appears after the preliminary actions on your computer – opening the suspicious e-mail messages, clicking the banner in the Internet or setting up the program from untrustworthy resources. From the instance it appears, you have a short time to take action before it starts its harmful action. And be sure – it is better not to await these malicious things.

What is BAT/Agent.NSA virus?

BAT/Agent.NSA is ransomware-type malware. It searches for the files on your disk drives, encrypts it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents inaccessible, this virus additionally does a lot of damage to your system. It changes the networking settings in order to avoid you from reading the elimination articles or downloading the anti-malware program. In rare cases, BAT/Agent.NSA can additionally prevent the setup of anti-malware programs.

BAT/Agent.NSA Summary

Summarizingly, BAT/Agent.NSA malware activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Dynamic (imported) function loading detected;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Uses Windows utilities for basic functionality;
  • Uses Windows utilities for basic functionality;
  • Uses suspicious command line tools or Windows utilities;
  • Encrypting the documents kept on the victim’s drives — so the victim cannot open these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of security tools

Ransomware has been a major problem for the last 4 years. It is challenging to imagine a more dangerous malware for both individual users and businesses. The algorithms used in BAT/Agent.NSA (typically, 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 currently exists, and possibly will exist. But that virus does not do all these horrible things immediately – it may take up to several hours to cipher all of your files. Thus, seeing the BAT/Agent.NSA detection is a clear signal that you must start the clearing process.

Where did I get the BAT/Agent.NSA?

Routine tactics of BAT/Agent.NSA distribution are usual for all other ransomware examples. Those are one-day landing websites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a quite modern strategy in malware spreading – you get the e-mail that mimics some routine notifications about shippings or bank service conditions shifts. Inside of the email, there is an infected MS Office file, or a link which leads to the exploit landing site.

Malicious email spam

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

Preventing it looks quite simple, but still requires a lot of focus. Malware can hide in various places, and it is much better to stop it even before it goes into your PC than to depend on an anti-malware program. General cybersecurity awareness is just an essential item in the modern world, even if your relationship with a PC remains on YouTube videos. That can save you a great deal of time and money which you would spend while searching for a fix guide.

BAT/Agent.NSA malware technical details

File Info:

name: 020D441AC1EF2A0F4354.mlw
path: /opt/CAPEv2/storage/binaries/5043760ffc555292093abb529db92424bf3f4016cf13e3a674587d14301827ed
crc32: 5DEBE9E4
md5: 020d441ac1ef2a0f43546b53413ac0be
sha1: 015e2fd798f4137629ea3a7f18bfaa2e7552da7d
sha256: 5043760ffc555292093abb529db92424bf3f4016cf13e3a674587d14301827ed
sha512: 12cf548323d6a69a257c2477c25c4abb3ee96324eb4079dbb9805f09fa1597bacad396474de77ea4772d81671bf872ed99ccbe32f3448657976180e50196b355
ssdeep: 1536:bX7ftfkS5g9YOms+gZcQipICdXkNDqLLZX9lItVGL++eIOlnToIfYwAvTO8:bLFfHgTWmCRkGbKGLeNTBfYpvv
type: PE32 executable (console) Intel 80386, for MS Windows
tlsh: T1DB937D45F2E242F7EAF2053201A6716FD736A2388724E8D7C74C2D429953AD1A73D3E9
sha3_384: 12354a18e6e4c8a65e59feba1a7ca99679e29e8e3f4fdba4c25e00247dae48425bc3567461484d6eadb7662024ccadcd
ep_bytes: 68ac00000068000000006868804100e8
timestamp: 2018-02-01 20:18:05

Version Info:

0: [No Data]

BAT/Agent.NSA also known as:

Elasticmalicious (high confidence)
K7GWTrojan ( 0046aeba1 )
RisingRansom.Winlock!8.139D (CLOUD)
EmsisoftGen:Trojan.RegistryDisabler.fuW@a4aaN@p (B)
SentinelOneStatic AI – Malicious PE
MAXmalware (ai score=88)

How to remove BAT/Agent.NSA?

BAT/Agent.NSA malware is extremely difficult to remove manually. It stores its documents in a variety of locations throughout the disk, and can recover itself from one of the parts. In addition, a number of modifications in the windows registry, networking settings and Group Policies are quite hard to locate and return to the initial. It is far better to utilize a special tool – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for malware elimination goals.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated just about every hour. Furthermore, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware suitable for eliminating malware of any type.

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
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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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