Win32:Downloader-RPG [Trj]

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Win32:Downloader-RPG [Trj] malware detection means that your computer is in big danger. This malware can correctly be named as ransomware – sort of malware which encrypts your files and forces you to pay for their decryption. Stopping it requires some peculiar steps that must be taken as soon as possible.
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Win32:Downloader-RPG [Trj] detection is a virus detection you can spectate in your system. It generally shows up after the preliminary activities on your computer – opening the suspicious e-mail, clicking the banner in the Web or mounting the program from unreliable resources. From the instance it shows up, you have a short time to take action before it starts its harmful activity. And be sure – it is better not to wait for these harmful actions.

What is Win32:Downloader-RPG [Trj] virus?

Win32:Downloader-RPG [Trj] is ransomware-type malware. It looks for the files on your disk, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files inaccessible, this malware also does a lot of harm to your system. It modifies the networking setups in order to prevent you from reading the removal tutorials or downloading the antivirus. In rare cases, Win32:Downloader-RPG [Trj] can additionally prevent the setup of anti-malware programs.

Win32:Downloader-RPG [Trj] Summary

Summarizingly, Win32:Downloader-RPG [Trj] virus activities in the infected PC are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Checks adapter addresses which can be used to detect virtual network interfaces;
  • Dynamic (imported) function loading detected;
  • Performs HTTP requests potentially not found in PCAP.;
  • HTTPS urls from behavior.;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Executed a process and injected code into it, probably while unpacking;
  • Behavioural detection: Injection (inter-process);
  • Installs itself for autorun at Windows startup;
  • Attempts to modify proxy settings;
  • Harvests cookies for information gathering;
  • Anomalous binary characteristics;
  • Encrypting the files kept on the victim’s disk drive — so the victim cannot open these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has been a horror story for the last 4 years. It is difficult to imagine a more dangerous virus for both individual users and corporations. The algorithms used in Win32:Downloader-RPG [Trj] (generally, 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 currently exists, and possibly will exist. But that malware does not do all these horrible things immediately – it may take up to a few hours to cipher all of your files. Thus, seeing the Win32:Downloader-RPG [Trj] detection is a clear signal that you should start the elimination procedure.

Where did I get the Win32:Downloader-RPG [Trj]?

Standard methods of Win32:Downloader-RPG [Trj] distribution are common for all other ransomware examples. Those are one-day landing sites where users are offered to download the free app, so-called bait emails and hacktools. Bait emails are a relatively new tactic in malware distribution – you receive the email that imitates some regular notifications about deliveries or bank service conditions updates. Within the e-mail, there is a malicious 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.

Avoiding it looks quite uncomplicated, but still demands a lot of focus. Malware can hide in various spots, and it is much better to stop it even before it gets into your PC than to rely on an anti-malware program. General cybersecurity knowledge is just an essential item in the modern world, even if your relationship with a PC stays on YouTube videos. That can keep you a great deal of time and money which you would spend while looking for a fixing guide.

Win32:Downloader-RPG [Trj] malware technical details

File Info:

name: BF57ABA06AE05617449B.mlw
path: /opt/CAPEv2/storage/binaries/efd6beb91ffcab23e02da6e2032052fc4d7aeda7384ffeeb21f7ab8b6ad38724
crc32: 675A0702
md5: bf57aba06ae05617449bf4604ee52866
sha1: 08e1e1f991a1f9c3c5241aac6cb1673bff577840
sha256: efd6beb91ffcab23e02da6e2032052fc4d7aeda7384ffeeb21f7ab8b6ad38724
sha512: ff830cca2ee475cfd26f8bfdec25829359a1ae347e82a1b9ad289b17130963f9cda76d480cddd3e6dffe9f57bb637619efa836bcbbb8297e0214f49d9fc2997a
ssdeep: 1536:x6LkYPWwXQck4F2Wtya/MFAcxpleBBfmmXyu1O0ByoSAyCX9vL5wCmzF6fNO1J:ClF2WtN0diBfQuI0Qoz7X9vLHcF6lwJ
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1CFC3AD0538F2C032E41240B54A8EE1C27BBFFD43FE95A01BBB9176897A70D8D55DA297
sha3_384: aed1ed8b4a126953c0810a68362c5fb1d86eb9e5774fc4cbda6c2c0c4accc62fdafcf627d418e2454f0c38fbc6934949
ep_bytes: e854160000e916feffff8b4424048b00
timestamp: 2012-01-28 10:25:09

Version Info:

FileDescription: LKuds cl ssd
FileVersion: 0, 1, 2, 0
InternalName: SSD
LegalCopyright: United States
OriginalFilename: System
ProductName: Windows base
ProductVersion: 0, 0, 0, 0
Translation: 0x0409 0x04b0

Win32:Downloader-RPG [Trj] also known as:

K7AntiVirusRiskware ( 0040eff71 )
K7GWRiskware ( 0040eff71 )
Elasticmalicious (high confidence)
AvastWin32:Downloader-RPG [Trj]
EmsisoftGen:Heur.Mint.Zitirez.hq0@cCn3jfdiIc (B)
SophosML/PE-A + Mal/Zbot-KC
SentinelOneStatic AI – Suspicious PE
MAXmalware (ai score=80)
CynetMalicious (score: 100)
RisingTrojan.SpyVoltar!1.6564 (CLASSIC)
AVGWin32:Downloader-RPG [Trj]
CrowdStrikewin/malicious_confidence_100% (W)

How to remove Win32:Downloader-RPG [Trj]?

Win32:Downloader-RPG [Trj] malware is very hard to delete by hand. It puts its documents in multiple locations throughout the disk, and can recover itself from one of the parts. Furthermore, various modifications in the windows registry, networking settings and Group Policies are fairly hard to identify and return to the initial. It is better to make use of a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will definitely fit the best for virus elimination purposes.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated just about every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for clearing away 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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