What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Backdoor:ASP/Chopper.F!dha detection name means that your system is in big danger. This computer virus can correctly be identified as ransomware – sort of malware 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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Backdoor:ASP/Chopper.F!dha detection is a virus detection you can spectate in your computer. It usually appears after the provoking activities on your PC – opening the untrustworthy e-mail messages, clicking the banner in the Internet or mounting the program from unreliable resources. From the instance it shows up, you have a short time to take action until it starts its destructive action. And be sure – it is far better not to await these malicious actions.

What is Backdoor:ASP/Chopper.F!dha virus?

Backdoor:ASP/Chopper.F!dha is ransomware-type malware. It looks for the documents on your disk drive, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this virus additionally does a lot of damage to your system. It modifies the networking settings in order to stop you from looking for the elimination guidelines or downloading the antivirus. In rare cases, Backdoor:ASP/Chopper.F!dha can even prevent the setup of anti-malware programs.

Backdoor:ASP/Chopper.F!dha Summary

In total, Backdoor:ASP/Chopper.F!dha ransomware actions in the infected PC are next:

  • Sample contains Overlay data;
  • The binary contains an unknown PE section name indicative of packing;
  • Authenticode signature is invalid;
  • Encrypting the files kept on the target’s disk drive — so the victim cannot check these files;
  • 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 hard to picture a more harmful malware for both individual users and organizations. The algorithms utilized in Backdoor:ASP/Chopper.F!dha (generally, 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. However, that malware does not do all these terrible things without delay – it may take up to several hours to cipher all of your files. Thus, seeing the Backdoor:ASP/Chopper.F!dha detection is a clear signal that you should begin the elimination process.

Where did I get the Backdoor:ASP/Chopper.F!dha?

Ordinary ways of Backdoor:ASP/Chopper.F!dha distribution are usual for all other ransomware examples. Those are one-day landing sites where victims are offered to download the free program, so-called bait emails and hacktools. Bait e-mails are a quite new tactic in malware spreading – you get the e-mail that imitates some normal notifications about deliveries or bank service conditions modifications. Inside of the email, there is a corrupted MS Office file, or a web 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 quite simple, but still demands tons of focus. Malware can hide in different spots, and it is much better to stop it even before it goes into your PC than to rely upon an anti-malware program. Simple cybersecurity knowledge is just an essential item in the modern-day world, even if your relationship with a computer stays on YouTube videos. That may keep you a great deal of money and time which you would spend while trying to find a fixing guide.

Backdoor:ASP/Chopper.F!dha malware technical details

File Info:

name: EB0804EA3E06245337AE.mlw
path: /opt/CAPEv2/storage/binaries/2ab3b6c8ffabca83d5a03a1b05732f070bd56f7579028c7d769d9644c1b7c19d
crc32: 35C96BB6
md5: eb0804ea3e06245337ae625beb1ef452
sha1: ecfca1f4eb3e3cec8fcac2b07698135e0e4dc92d
sha256: 2ab3b6c8ffabca83d5a03a1b05732f070bd56f7579028c7d769d9644c1b7c19d
sha512: 8d42e59d7b6a59715b38851061f0fc31f79fc1b80a2b96d8da35ba2f711ab8265c51d12b5bbd78291353533adda62137eb4688d6b4d99d50e3264c54dbe9153f
ssdeep: 196608:g154dK/BEYx2Fqvo9QjirfZegZFGy0bCgahO4/ahnvRQPSfNMWg:0/7x2FqvjirfZee0b3+ba5vNMJ
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T125D633643EC0403BD69A7A768DB047BAA5EDF70A4B2D408BD740E740697FB41C63F968
sha3_384: 17a2381430185d738e927b2479eeed5dfe1c24ef9b278a93b8909377097e0b331a4120732b111773db9130bacd10af03
ep_bytes: 558bec6aff68089b4200689447420064
timestamp: 2016-10-04 15:12:31

Version Info:

CompanyName: Igor Pavlov
FileDescription: 7z SFX
FileVersion: 16.04
InternalName: 7z.sfx
LegalCopyright: Copyright (c) 1999-2016 Igor Pavlov
OriginalFilename: 7z.sfx.exe
ProductName: 7-Zip
ProductVersion: 16.04
Translation: 0x0409 0x04b0

Backdoor:ASP/Chopper.F!dha also known as:

ESET-NOD32multiple detections
AvastMacOS:Dnscat2-A [PUP]
SophosGeneric PUA OM (PUA)
MAXmalware (ai score=95)
AVGMacOS:Dnscat2-A [PUP]

How to remove Backdoor:ASP/Chopper.F!dha?

Backdoor:ASP/Chopper.F!dha malware is incredibly hard to delete manually. It stores its data in multiple locations throughout the disk, and can get back itself from one of the elements. Furthermore, various alterations in the registry, networking configurations and Group Policies are pretty hard to find and return to the original. It is much better to make use of a specific tool – exactly, an anti-malware app. GridinSoft Anti-Malware will fit the best for malware removal reasons.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated just about every hour. Moreover, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for eliminating malware of any form.

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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