What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the Trojan:Win32/SiennaPurple.A!dha detection name usually means that your PC is in big danger. This computer virus can correctly be identified as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be done as soon as possible.
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Trojan:Win32/SiennaPurple.A!dha detection is a malware detection you can spectate in your system. It usually shows up after the preliminary activities on your computer – opening the suspicious e-mail, clicking the advertisement in the Internet or setting up the program from unreliable sources. From the second it shows up, you have a short time to act before it starts its malicious activity. And be sure – it is much better not to wait for these harmful actions.

What is Trojan:Win32/SiennaPurple.A!dha virus?

Trojan:Win32/SiennaPurple.A!dha is ransomware-type malware. It looks for the files on your disks, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus additionally does a ton of damage to your system. It changes the networking settings in order to stop you from looking for the elimination articles or downloading the antivirus. In some cases, Trojan:Win32/SiennaPurple.A!dha can additionally block the setup of anti-malware programs.

Trojan:Win32/SiennaPurple.A!dha Summary

Summarizingly, Trojan:Win32/SiennaPurple.A!dha ransomware actions in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Attempts to connect to a dead IP:Port (1 unique times);
  • Dynamic (imported) function loading detected;
  • Authenticode signature is invalid;
  • Encrypting the documents kept on the target’s disk drive — so the victim cannot use these files;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-virus apps

Ransomware has actually been a nightmare for the last 4 years. It is challenging to picture a more harmful virus for both individuals and corporations. The algorithms used in Trojan:Win32/SiennaPurple.A!dha (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have a lot more time than our galaxy actually exists, and possibly will exist. But that virus does not do all these unpleasant things immediately – it may require up to a few hours to cipher all of your documents. Thus, seeing the Trojan:Win32/SiennaPurple.A!dha detection is a clear signal that you should start the elimination procedure.

Where did I get the Trojan:Win32/SiennaPurple.A!dha?

Ordinary tactics of Trojan:Win32/SiennaPurple.A!dha distribution are typical for all other ransomware examples. Those are one-day landing web pages where users are offered to download the free software, so-called bait e-mails and hacktools. Bait e-mails are a relatively new strategy in malware distribution – you receive the e-mail that simulates some regular notifications about shippings or bank service conditions updates. Inside of the email, there is an infected 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 uncomplicated, but still needs tons of recognition. Malware can hide in different places, and it is better to stop it even before it invades your system than to trust in an anti-malware program. General cybersecurity awareness is just an important item in the modern world, even if your interaction with a PC remains on YouTube videos. That may keep you a lot of time and money which you would certainly spend while trying to find a fixing guide.

Trojan:Win32/SiennaPurple.A!dha malware technical details

File Info:

name: 54CA404D16DB18D233C6.mlw
path: /opt/CAPEv2/storage/binaries/99fc54786a72f32fd44c7391c2171ca31e72ca52725c68e2dde94d04c286fccd
crc32: 257ECBB2
md5: 54ca404d16db18d233c606b48c73d66f
sha1: d7d472bfc62bd6f52e3b4b3c7e88b92b664dd142
sha256: 99fc54786a72f32fd44c7391c2171ca31e72ca52725c68e2dde94d04c286fccd
sha512: 7e050f69257338bbb129b64671055d68e4232404f440c19157553eb9ddf103ec17f1053438d6692f29e921ca9e384ced684b4f89c0756ef9b414978aefdb5941
ssdeep: 24576:RtpRWh9e6yT5p0qMBNEYhw+fEh9vnwR76aNGu:Rch9JqMBNZNMh962c
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1D465BE22FB40D132F6A10072DA2D9F6B995CAE31673444D3B3D44E1E6AB48E35E36B47
sha3_384: ae402b758920cb39e5c024c0752ae284e3b39b2c17ac54c47620454f1e6c6f4da540ef882d574ae529d72d7803806540
ep_bytes: e8e3a50000e97ffeffff558bec568bf1
timestamp: 2021-10-08 04:32:44

Version Info:

0: [No Data]

Trojan:Win32/SiennaPurple.A!dha also known as:

K7AntiVirusTrojan ( 00595a181 )
K7GWTrojan ( 00595a181 )
Elasticmalicious (high confidence)
EmsisoftGen:Heur.Bodegun.8 (B)
SophosMal/Generic-S + Troj/Ransom-GRL
MAXmalware (ai score=85)
RisingRansom.Agent!8.6B7 (CLOUD)

How to remove Trojan:Win32/SiennaPurple.A!dha?

Trojan:Win32/SiennaPurple.A!dha malware is incredibly difficult to delete by hand. It puts its files in multiple locations throughout the disk, and can restore itself from one of the elements. In addition, countless changes in the registry, networking setups and Group Policies are pretty hard to find and revert to the initial. It is much better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the best for virus removal objectives.

Why GridinSoft Anti-Malware? It is very light-weight and has its databases updated almost every hour. In addition, it does not have such bugs and vulnerabilities as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for clearing away 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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