Troj/Krypt-ADH Virus Removal

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

Seeing the Troj/Krypt-ADH malware detection usually means that your computer is in big danger. This computer virus can correctly be named as ransomware – type of malware which encrypts your files and asks you to pay for their decryption. Stopping it requires some unusual steps that must be done as soon as possible.

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Troj/Krypt-ADH detection is a malware detection you can spectate in your system. It usually shows up after the preliminary activities on your computer – opening the suspicious e-mail, clicking the advertisement in the Web or setting up the program from dubious sources. From the second it shows up, you have a short time to act before it starts its harmful action. And be sure – it is far better not to await these harmful actions.

What is Troj/Krypt-ADH virus?

Troj/Krypt-ADH is ransomware-type malware. It looks for the documents on your disk drive, ciphers it, and after that asks you to pay the ransom for receiving the decryption key. Besides making your documents locked, this virus also does a ton of harm to your system. It alters the networking settings in order to avoid you from reading the removal tutorials or downloading the antivirus. Sometimes, Troj/Krypt-ADH can additionally block the launching of anti-malware programs.

Troj/Krypt-ADH Summary

In summary, Troj/Krypt-ADH ransomware actions in the infected PC are next:

  • 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;
  • Uses Windows utilities for basic functionality;
  • Reads data out of its own binary image;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • The binary likely contains encrypted or compressed data.;
  • Authenticode signature is invalid;
  • Behavioural detection: Injection (Process Hollowing);
  • Behavioural detection: Injection (inter-process);
  • Behavioural detection: Injection with CreateRemoteThread in a remote process;
  • CAPE detected the Tofsee malware family;
  • Detects Bochs through the presence of a registry key;
  • Deletes executed files from disk;
  • Attempts to interact with an Alternate Data Stream (ADS);
  • Uses suspicious command line tools or Windows utilities;
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Ciphering the files located on the victim’s disks — so the victim cannot check these files;
  • Blocking the launching of .exe files of anti-virus apps
  • Blocking the launching of installation files of anti-malware programs

Ransomware has actually been a nightmare for the last 4 years. It is challenging to imagine a more damaging virus for both individuals and organizations. The algorithms used in Troj/Krypt-ADH (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 already exists, and possibly will exist. However, that malware does not do all these unpleasant things instantly – it may require up to several hours to cipher all of your documents. Hence, seeing the Troj/Krypt-ADH detection is a clear signal that you have to begin the elimination process.

Where did I get the Troj/Krypt-ADH?

Ordinary methods of Troj/Krypt-ADH spreading are usual for all other ransomware variants. Those are one-day landing sites where victims are offered to download and install the free software, so-called bait emails and hacktools. Bait emails are a pretty new tactic in malware distribution – you receive the e-mail that mimics some standard notifications about deliveries or bank service conditions modifications. Within the email, there is a corrupted MS Office file, or a web link which leads to the exploit landing page.

Malicious email spam

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

Preventing it looks pretty simple, however, still demands tons of attention. Malware can hide in different spots, and it is far better to stop it even before it gets into your computer than to trust in an anti-malware program. Basic cybersecurity awareness is just an essential item in the modern-day world, even if your interaction with a PC stays on YouTube videos. That may save you a lot of money and time which you would spend while trying to find a fix guide.

Troj/Krypt-ADH malware technical details

File Info:

name: 1DD1ECD9144DCA3C73C0.mlw
path: /opt/CAPEv2/storage/binaries/2296de7b83c528686deecbd313a8dabb401c819a611a43b8b18d63d5e041df28
crc32: CE880A9D
md5: 1dd1ecd9144dca3c73c0f2892078bfea
sha1: 98fb7cac3a8ce8e28fdbf7a3133b141c3bc5cf1e
sha256: 2296de7b83c528686deecbd313a8dabb401c819a611a43b8b18d63d5e041df28
sha512: 0404adea4a4d9806a8fc5d274a337bc5b57a6c13a3eecbd361a29089f73a5667871ed9c577788ce86008413f98119f2090c209f3b2af1af6ade8bcea2c9a3cdf
ssdeep: 3072:k/SS51ZFwXhJie+G1KJ3tLi5aMBiQc4wi6zHRA7AY3UxS65eILYS:k/SS3sEqLoiPb3U7eILY
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1F7347C2135F5C072F2B3697644B0C6B81EBBB9726F31968F3AC4167D1F266D18A2131B
sha3_384: 17e10ad2ca5603e6d87d0264abc0ab47fe3b222678ad64224eada8d6aaf373f61a99ce54c70670ee07d5bb742994abc9
ep_bytes: e82f450000e978feffffcccccccccccc
timestamp: 2023-04-17 23:51:40

Version Info:

InternalName: Heart
LegalCopyright: Sheat
CompanyName: Samuil
Translation: 0x377c 0x02f8

Troj/Krypt-ADH also known as:

K7GWHacktool ( 700007861 )
CrowdStrikewin/malicious_confidence_100% (D)
Elasticmalicious (high confidence)
CynetMalicious (score: 100)
RisingTrojan.Generic@AI.100 (RDML:WjV60Fbngxv/5gQHmiqBnw)
SentinelOneStatic AI – Malicious PE

How to remove Troj/Krypt-ADH?

Troj/Krypt-ADH malware is very hard to remove manually. It puts its files in several places throughout the disk, and can recover itself from one of the elements. In addition, countless changes in the registry, networking settings and Group Policies are pretty hard to locate and return to the initial. It is far better to utilize a specific app – exactly, an anti-malware app. GridinSoft Anti-Malware will definitely fit the most ideal for virus removal objectives.

Remove Troj/Krypt-ADH with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common Trojans as shown from our tests with the software, and we assure you that it can remove Troj/Krypt-ADH as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.


3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for Troj/Krypt-ADH Trojans

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The Troj/Krypt-ADH was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The Troj/Krypt-ADH has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “Troj/Krypt-ADH” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website ( and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching Troj/Krypt-ADH Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching Troj/Krypt-ADH Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing Troj/Krypt-ADH and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

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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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