What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the Trojan-Downloader.Win32.Convagent detection name usually means that your PC is in big danger. This virus 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 specific steps that must be done as soon as possible.
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Trojan-Downloader.Win32.Convagent detection is a malware detection you can spectate in your computer. It generally shows up after the preliminary actions on your PC – opening the untrustworthy email, clicking the advertisement in the Internet or setting up the program from untrustworthy resources. From the second it shows up, you have a short time to act until it begins its harmful action. And be sure – it is better not to wait for these harmful things.

What is Trojan-Downloader.Win32.Convagent virus?

Trojan-Downloader.Win32.Convagent is ransomware-type malware. It looks for the files on your disk drives, ciphers it, and then asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this virus also does a lot of harm to your system. It alters the networking settings in order to prevent you from looking for the elimination articles or downloading the antivirus. In rare cases, Trojan-Downloader.Win32.Convagent can additionally prevent the setup of anti-malware programs.

Trojan-Downloader.Win32.Convagent Summary

In summary, Trojan-Downloader.Win32.Convagent ransomware activities in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Performs HTTP requests potentially not found in PCAP.;
  • Unconventionial binary language: Chinese (Simplified);
  • Unconventionial language used in binary resources: Chinese (Simplified);
  • The binary contains an unknown PE section name indicative of packing;
  • Executable file is packed/obfuscated with ASPack;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Network activity contains more than one unique useragent.;
  • Attempts to modify proxy settings;
  • Ciphering the files located on the target’s disk drives — so the victim cannot check these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a nightmare for the last 4 years. It is difficult to imagine a more harmful virus for both individuals and corporations. The algorithms utilized in Trojan-Downloader.Win32.Convagent (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 currently exists, and possibly will exist. But that malware does not do all these horrible things immediately – it may take up to several hours to cipher all of your files. Therefore, seeing the Trojan-Downloader.Win32.Convagent detection is a clear signal that you need to begin the clearing procedure.

Where did I get the Trojan-Downloader.Win32.Convagent?

Common tactics of Trojan-Downloader.Win32.Convagent distribution are basic for all other ransomware variants. Those are one-day landing web pages where victims are offered to download the free program, so-called bait e-mails and hacktools. Bait emails are a pretty modern strategy in malware spreading – you receive the email that mimics some routine notifications about shipments or bank service conditions updates. Within the e-mail, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

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

Avoiding it looks pretty easy, however, still demands a lot of awareness. Malware can hide in various places, and it is better to prevent it even before it invades your PC than to rely on an anti-malware program. Basic cybersecurity knowledge is just an essential thing in the modern-day world, even if your relationship with a PC remains on YouTube videos. That may save you a great deal of time and money which you would spend while searching for a fix guide.

Trojan-Downloader.Win32.Convagent malware technical details

File Info:

name: 11722BE305CE1E253732.mlw
path: /opt/CAPEv2/storage/binaries/b8953c9a7ecba36aeb4aa97e81e503389f38b14cca6f42d2404766f63370813d
crc32: C8239672
md5: 11722be305ce1e2537323b99775ce5d2
sha1: cfd16c66ee00a3d5ae9b1a47a1a19b323eeddb6e
sha256: b8953c9a7ecba36aeb4aa97e81e503389f38b14cca6f42d2404766f63370813d
sha512: f919f3a70ca81bd3ff3986fd1ab92da54033bee164b5007f4c176c8a78a474f0ca9d0839d0c57880ce10e369e8a552d943f75829b1e98f47b9e34f56dd53b2e3
ssdeep: 49152:7b/x9eOzgEhlCiTDf++xrhJtktqUS0egZxSpw2TgOtax2YsoyZYgy1:ZJjTr++xrH+tndZypaEYbgy1
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1AEE533B289344F07C4B26B774F8BD37016716A05F66808A27BD230726F789547FE992B
sha3_384: 2572aaa62e82e39c0064a94f6333912266a483eda1764fb5e530276ab86c2029f11d5ce2723782185c251fc48c4a97a5
ep_bytes: 60e803000000e9eb045d4555c3e80100
timestamp: 2022-01-09 17:03:42

Version Info:

FileDescription: 进程启动器
ProductName: 进程启动器
CompanyName: 进程启动器
LegalCopyright: 进程启动器 版权所有
Comments: 进程启动器
Translation: 0x0804 0x04b0

Trojan-Downloader.Win32.Convagent also known as:

Elasticmalicious (high confidence)
K7AntiVirusAdware ( 004b8ef41 )
K7GWAdware ( 004b8ef41 )
ESET-NOD32a variant of Win32/FlyStudio.Injector.B potentially unwanted
EmsisoftTrojan.GenericKD.47960126 (B)
SophosGeneric PUA MP (PUA)
SentinelOneStatic AI – Malicious PE
CynetMalicious (score: 100)
MAXmalware (ai score=89)
RisingTrojan.Tiggre!8.ED98 (RDMK:cmRtazpywWUtGI9+jk3oxxuFpG4g)

How to remove Trojan-Downloader.Win32.Convagent?

Trojan-Downloader.Win32.Convagent malware is extremely hard to erase manually. It places its files in several locations throughout the disk, and can restore itself from one of the parts. Moreover, a lot of modifications in the registry, networking settings and Group Policies are fairly hard to discover and revert to the original. It is better to utilize a specific app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus elimination purposes.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its detection databases updated practically every hour. In addition, it does not have such bugs and weakness as Microsoft Defender does. The combination of these aspects 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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