UDS:Trojan.Win32.Zapchast

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey
Spectating the UDS:Trojan.Win32.Zapchast detection usually means that your system is in big danger. This malware can correctly be named as ransomware – type of malware which ciphers your files and asks you to pay for their decryption. Deleteing it requires some specific steps that must be done as soon as possible.
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UDS:Trojan.Win32.Zapchast detection is a malware detection you can spectate in your computer. It usually shows up after the provoking actions on your PC – opening the suspicious e-mail, clicking the advertisement in the Internet or installing the program from unreliable sources. From the second it shows up, you have a short time to take action until it begins its destructive action. And be sure – it is far better not to wait for these malicious effects.

What is UDS:Trojan.Win32.Zapchast virus?

UDS:Trojan.Win32.Zapchast is ransomware-type malware. It looks for the documents on your computer, encrypts it, and then asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus additionally does a lot of harm to your system. It changes the networking settings in order to stop you from looking for the removal guidelines or downloading the anti-malware program. In some cases, UDS:Trojan.Win32.Zapchast can additionally prevent the setup of anti-malware programs.

UDS:Trojan.Win32.Zapchast Summary

Summarizingly, UDS:Trojan.Win32.Zapchast malware activities in the infected computer are next:

  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Behavioural detection: Executable code extraction – unpacking;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Dynamic (imported) function loading detected;
  • CAPE extracted potentially suspicious content;
  • Unconventionial language used in binary resources: Uzbek (Latin);
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Ciphering the files located on the victim’s drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of anti-malware programs
  • Blocking the launching of installation files of anti-virus programs

Ransomware has actually been a major problem for the last 4 years. It is challenging to imagine a more damaging virus for both individual users and organizations. The algorithms used in UDS:Trojan.Win32.Zapchast (typically, 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. However, that malware does not do all these terrible things immediately – it can take up to several hours to cipher all of your files. Therefore, seeing the UDS:Trojan.Win32.Zapchast detection is a clear signal that you must begin the clearing procedure.

Where did I get the UDS:Trojan.Win32.Zapchast?

Standard methods of UDS:Trojan.Win32.Zapchast injection are common for all other ransomware variants. Those are one-day landing web pages where users are offered to download the free app, so-called bait e-mails and hacktools. Bait e-mails are a quite new strategy in malware spreading – you receive the email that simulates some standard notifications about deliveries or bank service conditions modifications. Inside of the email, there is a corrupted 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.

Preventing it looks pretty easy, however, still requires tons of attention. Malware can hide in various places, and it is much better to prevent it even before it invades your PC than to depend on an anti-malware program. Simple cybersecurity awareness is just an essential thing in the modern world, even if your relationship with a computer stays on YouTube videos. That may keep you a great deal of money and time which you would certainly spend while trying to find a fix guide.

UDS:Trojan.Win32.Zapchast malware technical details

File Info:

name: 6EFB6791A7C0C890242A.mlw
path: /opt/CAPEv2/storage/binaries/3492f498254930be14cf5f73bcb900de603177404292e58fee157f3e31c1002b
crc32: EE3C3F41
md5: 6efb6791a7c0c890242a21faf6ed069c
sha1: fb18237946945e2f43378921a2941831b75a64c6
sha256: 3492f498254930be14cf5f73bcb900de603177404292e58fee157f3e31c1002b
sha512: f6b2222769517825a5927eb2355000dbb610d563ac1b3fdf8508dcf7ff80ca7ab3231585e0d0a4c72a3c7313036ed3c478ce14bee23d5b0497bc5d9deacbf08b
ssdeep: 6144:K6mXltjTLPQsFZeubY1hdZOEU8sKxWbJtRZ5TVveBoPeX:KLV9fIsFZeT1vsKwbPRpe
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1FE64BF10BBA0D035F1B721F089B6D768B93A7EB15B2440CB62D52BDE66346E4EC3171B
sha3_384: 4c7957b1992a89211abaa69eff2c2875d8c0ffc7a4d867bd0362234446cb5aef745bf74195ecd7f69cbd5373440a22ef
ep_bytes: 8bff558bece8c6a60000e8110000005d
timestamp: 2021-07-11 11:03:41

Version Info:

Translations: 0x0209 0x02bd

UDS:Trojan.Win32.Zapchast also known as:

BkavW32.AIDetect.malware2
Elasticmalicious (high confidence)
FireEyeGeneric.mg.6efb6791a7c0c890
CAT-QuickHealRansom.Stop.P5
CylanceUnsafe
SangforTrojan.Win32.Save.a
Cybereasonmalicious.946945
CyrenW32/Kryptik.EYC.gen!Eldorado
SymantecML.Attribute.HighConfidence
tehtrisGeneric.Malware
APEXMalicious
ClamAVWin.Packed.Pwsx-9949493-0
KasperskyUDS:Trojan.Win32.Zapchast.gen
AvastRansomX-gen [Ransom]
McAfee-GW-EditionBehavesLike.Win32.Ransomware.fc
SophosML/PE-A
SentinelOneStatic AI – Malicious PE
MicrosoftTrojan:Win32/Sabsik.FL.B!ml
CynetMalicious (score: 100)
Acronissuspicious
McAfeePacked-GEE!6EFB6791A7C0
MalwarebytesTrojan.MalPack.GS
RisingTrojan.Generic@AI.93 (RDMK:cmRtazrtx8vbRsTzHzKs6WCuKYqu)
IkarusTrojan-Ransom.StopCrypt
AVGRansomX-gen [Ransom]
CrowdStrikewin/malicious_confidence_100% (D)

How to remove UDS:Trojan.Win32.Zapchast?

UDS:Trojan.Win32.Zapchast malware is incredibly difficult to delete manually. It puts its documents in a variety of places throughout the disk, and can recover itself from one of the parts. Moreover, a lot of alterations in the windows registry, networking settings and also Group Policies are pretty hard to find and revert to the original. It is far better to use a specific program – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the best for virus elimination purposes.

Why GridinSoft Anti-Malware? It is very light-weight and has its detection databases updated just about every hour. Furthermore, it does not have such problems and exposures as Microsoft Defender does. The combination of these facts makes GridinSoft Anti-Malware suitable 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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