UDS:Trojan-Ransom.Win32.Blocker.zayd

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the UDS:Trojan-Ransom.Win32.Blocker.zayd detection name means that your system is in big danger. This computer virus can correctly be named as ransomware – type of malware which ciphers your files and forces you to pay for their decryption. Removing it requires some specific steps that must be taken as soon as possible.
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UDS:Trojan-Ransom.Win32.Blocker.zayd detection is a virus detection you can spectate in your computer. It generally appears after the preliminary activities on your computer – opening the suspicious e-mail messages, clicking the advertisement in the Internet or setting up the program from untrustworthy resources. From the instance it shows up, you have a short time to act until it begins its malicious activity. And be sure – it is much better not to wait for these malicious actions.

What is UDS:Trojan-Ransom.Win32.Blocker.zayd virus?

UDS:Trojan-Ransom.Win32.Blocker.zayd is ransomware-type malware. It searches for the documents on your disk drives, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your files inaccessible, this malware additionally does a ton of damage to your system. It modifies the networking settings in order to avoid you from checking out the removal manuals or downloading the antivirus. Sometimes, UDS:Trojan-Ransom.Win32.Blocker.zayd can also stop the launching of anti-malware programs.

UDS:Trojan-Ransom.Win32.Blocker.zayd Summary

Summarizingly, UDS:Trojan-Ransom.Win32.Blocker.zayd malware activities in the infected system are next:

  • Sample contains Overlay data;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Exhibits possible ransomware file modification behavior;
  • Anomalous binary characteristics;
  • Encrypting the documents kept on the victim’s drives — so the victim cannot use these files;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a headache for the last 4 years. It is difficult to realize a more dangerous malware for both individual users and corporations. The algorithms utilized in UDS:Trojan-Ransom.Win32.Blocker.zayd (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 actually exists, and possibly will exist. However, that virus does not do all these bad things immediately – it can take up to several hours to cipher all of your files. Thus, seeing the UDS:Trojan-Ransom.Win32.Blocker.zayd detection is a clear signal that you should start the clearing procedure.

Where did I get the UDS:Trojan-Ransom.Win32.Blocker.zayd?

General methods of UDS:Trojan-Ransom.Win32.Blocker.zayd injection are basic for all other ransomware variants. Those are one-day landing sites where users are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a quite new method in malware distribution – you receive the email that imitates some standard notifications about shipments or bank service conditions modifications. Within the e-mail, there is a malicious 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 a lot of attention. Malware can hide in various spots, and it is much better to stop it even before it invades your PC than to rely upon an anti-malware program. Common cybersecurity knowledge is just an essential thing in the modern world, even if your relationship with a PC stays on YouTube videos. That may keep you a lot of money and time which you would spend while seeking a solution.

UDS:Trojan-Ransom.Win32.Blocker.zayd malware technical details

File Info:

name: 3EFB710CCDD529B0A429.mlw
path: /opt/CAPEv2/storage/binaries/82df81f932a44b488cb899e1a6d7e9e15931e0fd9a695d8297fe64a9af3825e5
crc32: F61DF088
md5: 3efb710ccdd529b0a4294a406cb5ebd9
sha1: 788843c0f6c04b1d6967c2bb4fb2412631f95057
sha256: 82df81f932a44b488cb899e1a6d7e9e15931e0fd9a695d8297fe64a9af3825e5
sha512: 3a5c6bccc27083d2506e3db3c2e50e2c659404dec69459c4571396bc521ad1b948db2b5693756312a731ad6f76088449349026366226f33b9b9b875a45ef1790
ssdeep: 6144:ZSLfCb7Fs9D+9Ve40ZvmQWuGu1XwI4zG4A3T3TiN:ZwCb7Fs9DIe40ZvmXPSj3mN
type: PE32+ executable (GUI) x86-64, for MS Windows
tlsh: T17C349D4277E440BDD5778638CCB2B65AF7B23C624B74D34F12249A6E1E33722EA25316
sha3_384: 8d293f9ff74e2145fa639bc7540c2e42f3565ca551a7a5bd620db905f039749a893ef73c2ab11b3a72f1c4714db9bd2f
ep_bytes: e848feffffc82000004c897c24f84883
timestamp: 2015-11-18 09:15:51

Version Info:

ProductName: WinRAR
CompanyName: Alexander Roshal
FileDescription: Uninstall WinRAR
FileVersion: 5.30.0
ProductVersion: 5.30.0
InternalName: Uninstall WinRAR
LegalCopyright: Copyright © Alexander Roshal 1993-2015
OriginalFilename: Uninstall.exe
Translation: 0x0409 0x04e4

UDS:Trojan-Ransom.Win32.Blocker.zayd also known as:

MicroWorld-eScanTrojan.GenericKDZ.93314
ALYacTrojan.GenericKDZ.93314
K7AntiVirusTrojan ( 0059a88d1 )
K7GWTrojan ( 0059a88d1 )
CrowdStrikewin/malicious_confidence_60% (W)
CyrenW64/Ipamor.A
SymantecML.Attribute.HighConfidence
Elasticmalicious (moderate confidence)
ESET-NOD32Win64/Filecoder.GG
KasperskyUDS:Trojan-Ransom.Win32.Blocker.zayd
BitDefenderTrojan.GenericKDZ.93314
CynetMalicious (score: 99)
AvastWin64:Trojan-gen
Ad-AwareTrojan.GenericKDZ.93314
EmsisoftTrojan.GenericKDZ.93314 (B)
DrWebTrojan.Encoder.36209
McAfee-GW-EditionArtemis!Trojan
FireEyeTrojan.GenericKDZ.93314
GDataTrojan.GenericKDZ.93314
JiangminTrojan.Blocker.urx
AviraTR/FileCoder.vtpbw
ArcabitTrojan.Generic.D16C82
MicrosoftTrojan:Win32/Wacatac.B!ml
GoogleDetected
AhnLab-V3Trojan/Win.Generic.R533520
MAXmalware (ai score=81)
MalwarebytesRansom.Azov
RisingRansom.Agent!8.6B7 (TFE:2:U9tOTBNOHOO)
YandexTrojan.Filecoder!KELre0u1+2s
IkarusTrojan-Ransom.FileCrypter
FortinetW64/Filecoder.GG!tr
AVGWin64:Trojan-gen

How to remove UDS:Trojan-Ransom.Win32.Blocker.zayd?

UDS:Trojan-Ransom.Win32.Blocker.zayd malware is extremely difficult to eliminate manually. It places its data in multiple locations throughout the disk, and can get back itself from one of the parts. Furthermore, various modifications in the windows registry, networking configurations and Group Policies are quite hard to discover and return to the original. It is better to use a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for malware removal objectives.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its databases updated almost every hour. Furthermore, it does not have such problems and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware perfect for getting rid of malware of any kind.

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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