UDS:Trojan-Downloader.Win32.Deyma

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Seeing the UDS:Trojan-Downloader.Win32.Deyma malware detection usually means that your PC is in big danger. This malware can correctly be identified as ransomware – type of malware which encrypts your files and forces you to pay for their decryption. Removing it requires some specific steps that must be done as soon as possible.
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UDS:Trojan-Downloader.Win32.Deyma detection is a malware detection you can spectate in your computer. It often shows up after the preliminary procedures on your PC – opening the untrustworthy email, clicking the advertisement in the Internet or mounting the program from suspicious resources. From the moment it appears, you have a short time to take action until it starts its harmful activity. And be sure – it is much better not to await these harmful effects.

What is UDS:Trojan-Downloader.Win32.Deyma virus?

UDS:Trojan-Downloader.Win32.Deyma is ransomware-type malware. It searches for the documents on your computer, ciphers it, and after that asks you to pay the ransom for getting the decryption key. Besides making your documents locked, this malware additionally does a ton of harm to your system. It modifies the networking settings in order to avoid you from reading the elimination guidelines or downloading the anti-malware program. In some cases, UDS:Trojan-Downloader.Win32.Deyma can additionally stop the launching of anti-malware programs.

UDS:Trojan-Downloader.Win32.Deyma Summary

In summary, UDS:Trojan-Downloader.Win32.Deyma ransomware activities in the infected system are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Executed a command line with /C or /R argument to terminate command shell on completion which can be used to hide execution;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Guard pages use detected – possible anti-debugging.;
  • 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;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Kannada;
  • 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;
  • A process attempted to delay the analysis task by a long amount of time.;
  • Created a process from a suspicious location;
  • Installs itself for autorun at Windows startup;
  • Installs itself for autorun at Windows startup;
  • A process sent information about the computer to a remote location.;
  • Attempts to identify installed AV products by installation directory;
  • Attempts to modify proxy settings;
  • Creates a copy of itself;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the files kept on the target’s disk — so the victim cannot open these documents;
  • Blocking the launching of .exe files of anti-malware apps
  • Blocking the launching of installation files of anti-malware apps

Ransomware has actually been a nightmare for the last 4 years. It is difficult to realize a more hazardous malware for both individual users and companies. The algorithms used in UDS:Trojan-Downloader.Win32.Deyma (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 actually exists, and possibly will exist. But that malware does not do all these terrible things without delay – it can take up to a few hours to cipher all of your files. Hence, seeing the UDS:Trojan-Downloader.Win32.Deyma detection is a clear signal that you have to start the clearing process.

Where did I get the UDS:Trojan-Downloader.Win32.Deyma?

Routine methods of UDS:Trojan-Downloader.Win32.Deyma distribution are basic for all other ransomware examples. Those are one-day landing sites where users are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a relatively new strategy in malware distribution – you get the e-mail that mimics some regular notifications about shipments or bank service conditions shifts. Within the email, there is an infected MS Office file, or a web 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 pretty easy, but still needs a lot of recognition. Malware can hide in various spots, and it is much better to prevent it even before it invades your system than to rely upon an anti-malware program. General cybersecurity knowledge is just an essential item in the modern-day 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 seeking a solution.

UDS:Trojan-Downloader.Win32.Deyma malware technical details

File Info:

name: CEB094E37C943A06A1F2.mlw
path: /opt/CAPEv2/storage/binaries/ee8d69193f5df69e5e8771dc737578101623706a012e96c0958f80f9423c0719
crc32: 1722FEAC
md5: ceb094e37c943a06a1f25c2f2a2689fb
sha1: 84b4dd213d82a84ea1a9362c8ada94c506adf61b
sha256: ee8d69193f5df69e5e8771dc737578101623706a012e96c0958f80f9423c0719
sha512: ee4bf4129ac9802b3ef74b55752237a4eb8bca36d5e81984c56e3f7b98bb90493ad7b53f937c29198d81708f2f6f991b7cd13cfdadf9c2db6cd3d153b596dd25
ssdeep: 3072:YyCw3uwdMvNFLTXMNpo75XeQpJcuLj8uEt9Y7r2HfybiorQVBT3WmqyXrpyjVMzW:nfJMlFLTXMsJlLj8ueYuHHpvXroiz
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T16564E02273E0C032C5F3163049799BA39FBE78225372958BB7542A396F603E15BF6359
sha3_384: ee465804dafd6f271efadf2a1e22de872e5a3b00cc9e1a047955a5889feed07fa95eb14ca517510327b03669b8c36176
ep_bytes: e8b7570000e989feffff8bff558bec51
timestamp: 2021-12-17 11:32:11

Version Info:

FileVersions: 77.26.2.32
Copyrighz: Copyright (C) 2022, pozkarte
ProjectVersion: 2.82.72.61

UDS:Trojan-Downloader.Win32.Deyma also known as:

BkavW32.AIDetect.malware1
Elasticmalicious (high confidence)
CylanceUnsafe
SangforTrojan.Win32.Save.a
Cybereasonmalicious.13d82a
CyrenW32/Kryptik.GSB.gen!Eldorado
tehtrisGeneric.Malware
APEXMalicious
KasperskyUDS:Trojan-Downloader.Win32.Deyma.gen
AvastDropperX-gen [Drp]
RisingTrojan.Generic@AI.100 (RDML:92OlZAs8wp7AfGB5jXxXMg)
SophosML/PE-A
McAfee-GW-EditionBehavesLike.Win32.Packed.fm
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.ceb094e37c943a06
SentinelOneStatic AI – Malicious PE
MicrosoftRansom:Win32/StopCrypt!ml
CynetMalicious (score: 100)
Acronissuspicious
McAfeePacked-GDD!CEB094E37C94
MalwarebytesTrojan.MalPack.GS
MaxSecureTrojan.Malware.300983.susgen
AVGDropperX-gen [Drp]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove UDS:Trojan-Downloader.Win32.Deyma?

UDS:Trojan-Downloader.Win32.Deyma malware is very difficult to remove manually. It stores its documents in a variety of locations throughout the disk, and can recover itself from one of the elements. Furthermore, a range of modifications in the registry, networking setups and Group Policies are really hard to identify and return to the original. It is far better to make use of a specific app – exactly, an anti-malware tool. GridinSoft Anti-Malware will fit the most ideal for malware removal purposes.

Why GridinSoft Anti-Malware? It is really light-weight and has its databases updated nearly every hour. Furthermore, it does not have such problems and weakness as Microsoft Defender does. The combination of these details makes GridinSoft Anti-Malware ideal for removing 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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