Ransom:Win32/Tescrypt.A

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Ransom:Win32/Tescrypt.A infection?

In this post you will certainly discover regarding the meaning of Ransom:Win32/Tescrypt.A as well as its adverse effect on your computer system. Such ransomware are a type of malware that is specified by on-line scams to demand paying the ransom by a sufferer.

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Most of the instances, Ransom:Win32/Tescrypt.A infection will instruct its victims to initiate funds move for the purpose of neutralizing the amendments that the Trojan infection has presented to the victim’s device.

Ransom:Win32/Tescrypt.A Summary

These adjustments can be as adheres to:

  • Possible date expiration check, exits too soon after checking local time;
  • A process attempted to delay the analysis task.;
  • A process created a hidden window;
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Uses Windows utilities for basic functionality;
  • Attempts to delete volume shadow copies;
  • Deletes its original binary from disk;
  • Installs itself for autorun at Windows startup.

    There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Exhibits possible ransomware file modification behavior;
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Creates a copy of itself;
  • Connects to Tor Hidden Services through a Tor gateway;
  • Uses suspicious command line tools or Windows utilities;
  • Ciphering the records located on the target’s hard disk drive — so the victim can no more make use of the data;
  • Preventing regular access to the sufferer’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.
Similar behavior
Related domains
z.whorecord.xyzW32.RansomwareEnvyF.Trojan
a.tomx.xyzW32.RansomwareEnvyF.Trojan
7tno4hib47vlep5o.tor2web.orgW32.RansomwareEnvyF.Trojan
7tno4hib47vlep5o.tor2web.blutmagie.deW32.RansomwareEnvyF.Trojan
7tno4hib47vlep5o.tor2web.fiW32.RansomwareEnvyF.Trojan

Ransom:Win32/Tescrypt.A

The most normal networks where Ransom:Win32/Tescrypt.A Ransomware are injected are:

  • By methods of phishing e-mails. Email phishing is a cyber attack that uses disguised email as a goal is to trick the recipient into believing that the message is something they want or need — a request from their bank, for instance, or a note from someone in their company — and to click a link for download a malware.
  • As an effect of customer winding up on a resource that organizes a destructive software program;

As soon as the Trojan is effectively injected, it will certainly either cipher the information on the target’s computer or prevent the device from operating in a proper fashion – while likewise positioning a ransom note that points out the requirement for the sufferers to impact the settlement for the objective of decrypting the records or bring back the documents system back to the preliminary problem. In a lot of circumstances, the ransom money note will certainly turn up when the client restarts the COMPUTER after the system has actually currently been harmed.

Ransom:Win32/Tescrypt.A circulation channels.

In numerous corners of the world, Ransom:Win32/Tescrypt.A expands by jumps as well as bounds. Nonetheless, the ransom money notes as well as tricks of extorting the ransom money amount might vary relying on certain regional (local) settings. The ransom notes and methods of obtaining the ransom money quantity may differ depending on specific neighborhood (regional) setups.

Ransomware injection

For example:

    Faulty alerts concerning unlicensed software application.

    In particular locations, the Trojans usually wrongfully report having actually identified some unlicensed applications allowed on the target’s tool. The alert after that requires the individual to pay the ransom money.

    Faulty statements about unlawful content.

    In nations where software piracy is much less preferred, this method is not as reliable for the cyber fraudulences. Additionally, the Ransom:Win32/Tescrypt.A popup alert may wrongly declare to be deriving from a law enforcement establishment and will certainly report having located youngster porn or other illegal information on the tool.

    Ransom:Win32/Tescrypt.A popup alert might wrongly assert to be acquiring from a legislation enforcement organization and will report having situated child pornography or other illegal information on the tool. The alert will in a similar way contain a need for the user to pay the ransom.

Technical details

File Info:

crc32: 4B588CFB
md5: 209a288c68207d57e0ce6e60ebf60729
name: 3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
sha1: e654d39cd13414b5151e8cf0d8f5b166dddd45cb
sha256: 3372c1edab46837f1e973164fa2d726c5c5e17bcb888828ccd7c4dfcc234a370
sha512: ce4a7e42738154183fc53702f0841dfd4ad1eb0567b13cc1ff0909f1d330e9cd2fb994375efc6f02e7eddaaae1f465ff93458412143266afdaff1c6bf6477fc3
ssdeep: 3072:rYXT8PUsMNL8V4tD2My/JAAbQoM29wlV58lbNnolY7VgsYiVTPtiTu/q:rowUsML8g2j0o9wb0bNoaKsYImui
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2015
InternalName: calc
FileVersion: 1, 0, 0, 1
ProductName: calc
ProductVersion: 1, 0, 0, 1
FileDescription: calc
OriginalFilename: calc
Translation: 0x0409 0x04b0

Ransom:Win32/Tescrypt.A also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.RansomwareEnvyF.Trojan
MicroWorld-eScanGen:Heur.Ransom.Imps.3
CMCTrojan-Ransom.Win32!O
CAT-QuickHealTrojanRansom.Bitman
McAfeeRansom-TeslaCrypt.a
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SUPERAntiSpywareRansom.CryptoLocker/Variant
SangforMalware
K7AntiVirusTrojan ( 004bcd7c1 )
BitDefenderGen:Heur.Ransom.Imps.3
K7GWTrojan ( 004bcd7c1 )
Cybereasonmalicious.c68207
F-ProtW32/Trojan2.OZPO
SymantecRansom.TeslaCrypt
APEXMalicious
AvastWin32:CryptoLocker-C [Trj]
GDataGen:Heur.Ransom.Imps.3
KasperskyTrojan-Ransom.Win32.Bitman.d
AlibabaRansom:Win32/Bitman.0b6a7f92
NANO-AntivirusTrojan.Win32.Bitman.ediseq
Paloaltogeneric.ml
ViRobotTrojan.Win32.Agent.380928.M
TencentWin32.Trojan.Raas.Auto
Ad-AwareGen:Heur.Ransom.Imps.3
EmsisoftGen:Heur.Ransom.Imps.3 (B)
ComodoBackdoor.Win32.Androm.GML@5s405p
F-SecureHeuristic.HEUR/AGEN.1028812
DrWebTrojan.PWS.Siggen1.30341
ZillyaDownloader.Dapato.Win32.5234
TrendMicroTROJ_CRYPTESLA.O
McAfee-GW-EditionBehavesLike.Win32.Dropper.dh
Trapminemalicious.high.ml.score
FireEyeGeneric.mg.209a288c68207d57
SophosTroj/EccKrypt-A
CyrenW32/Trojan.BWDR-8762
JiangminTrojan.Bitman.aqf
WebrootTeslacrypt.Gen
AviraHEUR/AGEN.1028812
Endgamemalicious (high confidence)
ArcabitTrojan.Ransom.Imps.3
AegisLabTrojan.Win32.Bitman.tngH
ZoneAlarmTrojan-Ransom.Win32.Bitman.d
MicrosoftRansom:Win32/Tescrypt.A
TACHYONTrojan/W32.Bitman.290816
AhnLab-V3Trojan/Win32.Tescrypt.R137618
BitDefenderThetaGen:NN.ZexaF.34084.rq0@aSQd6!ji
ALYacTrojan.Ransom.cryptolocker
MAXmalware (ai score=99)
VBA32TrojanRansom.Bitman
MalwarebytesTrojan.CryptoLocker
ESET-NOD32a variant of Win32/Filecoder.TeslaCrypt.A
TrendMicro-HouseCallTROJ_CRYPTESLA.O
RisingRansom.Tescrypt!8.3AF (CLOUD)
YandexTrojan.DL.Dapato!qIw8R2+qHPQ
IkarusTrojan-Ransom.TeslaCrypt
eGambitUnsafe.AI_Score_99%
FortinetW32/TeslaCrypt.A!tr.ransom
MaxSecureTrojan.Malware.8180803.susgen
AVGWin32:CryptoLocker-C [Trj]
PandaTrj/Genetic.gen
CrowdStrikewin/malicious_confidence_100% (W)
Qihoo-360Win32/Trojan.Downloader.c23

How to remove Ransom:Win32/Tescrypt.A ransomware?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Ransom:Win32/Tescrypt.A files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

Full version of GridinSoft

Full version of GridinSoft Anti-Malware

If the guide doesn’t help you to remove Ransom:Win32/Tescrypt.A you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/comparison

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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