Threat Database Trojans Trojan.Blocrypt

Trojan.Blocrypt

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Threat Level: 80 % (High)
Infected Computers: 3,246
First Seen: September 15, 2016
Last Seen: September 29, 2024
OS(es) Affected: Windows

The detection of Trojan.Blocrypt on your system indicates a potential security threat that requires immediate attention. Trojans are a type of malware designed to infiltrate and compromise computer systems, often without being detected by traditional security measures. Understanding the nature and behavior of this threat is crucial for effective removal and prevention of future infections.

What Is Trojan.Blocrypt?

Trojan.Blocrypt, as indicated by its name, is classified as a Trojan-type threat. Trojans are malicious programs that disguise themselves as legitimate software, allowing them to bypass security defenses and gain unauthorized access to a computer system. Once inside, they can perform a variety of malicious activities, including data theft, espionage, and the installation of additional malware. The term "Trojan" comes from the Trojan Horse legend, reflecting the malware's ability to deceive users into willingly opening a digital "backdoor" for malicious activities.

How Trojan.Blocrypt Operates

Trojan.Blocrypt, like other Trojans, operates by exploiting vulnerabilities in software or manipulating users into installing it. This can happen through various means, such as opening malicious email attachments, downloading software from untrusted sources, or visiting compromised websites. Once installed, it can communicate with its command and control servers to receive instructions, which might include stealing sensitive information, hijacking the system for cryptocurrency mining, or using the infected computer as part of a botnet for distributed denial-of-service (DDoS) attacks.

Symptoms of Infection

The symptoms of a Trojan.Blocrypt infection can vary widely, depending on its intended purpose and the specific actions it is programmed to perform. Common indicators of a Trojan infection include unusual system behavior, such as unexpected pop-ups, slow performance, or frequent crashes. Additionally, users might notice that their personal files have been encrypted and are being held for ransom, or they might discover unfamiliar programs or icons on their desktop. In some cases, the infection might not exhibit noticeable symptoms, making it difficult for users to detect without the aid of security software.

How to Remove Trojan.Blocrypt

  1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to allow for internet access. This will make it easier to download and install removal tools if necessary.
  2. Perform a full scan of your system using a reputable anti-malware tool, such as SpyHunter. Ensure the tool is updated with the latest definitions to increase the chances of detecting and removing Trojan.Blocrypt.
  3. Uninstall any recently installed programs that you do not recognize or that were installed around the time the infection was detected. Be cautious and only remove programs you are certain are malicious or unnecessary.
  4. Reset your web browsers (Google Chrome, Mozilla Firefox, Microsoft Edge, etc.) to their default settings. This can help remove any malicious extensions or settings changes made by the Trojan.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all components of the Trojan have been removed. Repeat this process until no more threats are detected.

Conclusion

The removal of Trojan.Blocrypt requires careful and systematic steps to ensure that all components of the malware are eliminated from the infected system. It's also crucial to adopt preventive measures to avoid future infections, including keeping your operating system and software up to date, using strong, unique passwords, and being cautious when interacting with emails and downloads from unknown sources. By understanding how Trojans operate and taking proactive steps in security and maintenance, users can significantly reduce the risk of their systems being compromised by threats like Trojan.Blocrypt.

SpyHunter Detects & Remove Trojan.Blocrypt

File System Details

Trojan.Blocrypt may create the following file(s):
# File Name MD5 Detections
1. cd8a01de-5348-49bd-a958-dad89923ed5b.rs 7e6f990022548d140ffc302debcf6021 99
2. d9b6da52-8b8c-4d0a-a768-9e6b912bfa52.rs 31e8dab472c4977d62c199813b5c66a5 7
3. Microsoft RS Import.exe c7fec3eda73ae0679ff879c5e7b2aa50 5
4. de13aa41-c26e-4169-8d08-88580950e5bb.rs 3cc948fd4af7333498be9559fcd8ab8b 4
5. 3bd355-0eb364-06fa4292-5672b1-e3a0.rs 203ae890f372f1e53cc24d880171e5f4 3
6. d2d347-d5a348-ae0c6868-ae2ef1-80f0.rs 6a128279edf2e072c3b16dd2c8893b98 2
7. 6133d76b-8548-4bbb-b5d6-eb78f3edb03e.rs 0dffc199de1dcf068c795a4f57efd928 2
8. 4fe350-30d351-a33f1560-6ae1c1-5fa0.rs 01ee92fdf9328d22e9c85215bc23c516 2
9. f0f351-aaf352-bf8cd672-f27ce1-e4d0.rs 692e0dd9eafe47e2cc2b9cf08435cfd4 2
10. 3ec353-7fd354-0b2e2768-dea4c1-a0b0.rs 042bb76241004cb0e7d20f5931c66fb1 2
11. 544514b4-fc6c-462c-915a-24c97e1b01a9.rs 4e968749c164ef834ca0d042438d3552 1
12. a0a344-f6f345-4a5e1456-80bdb1-8ed0.rs 457d1655f321bfc03d27e70888cfecd7 1
13. fdf345-4ac346-0dfe3068-26cfb1-3fb0.rs 0581952794c197faef1c47ab91de706a 1
14. bea349-74c350-db3fd260-6c6fc1-1cd0.rs e6021e547e28a906fd352c4e46757a0d 1
15. 17e350-73f351-27fe2456-acfdd1-0ea0.rs e08ac31fbf60bb4dca07a579cf08c193 1
16. c5e351-1ae352-46fc3864-c688a1-e4a0.rs 89e873c28ee99a93ca40e512f0794dba 1
17. efa355-6fa356-3a5a1736-f7dab1-c8e0.rs 7d50393fd7207bad7e322e372346e9e7 1
18. baf4f19b-3e8b-4186-b049-c290d9fe58ab.rs 6a5182816e2d76ac4d4f3cdb046aeaec 1
19. 1f5a6cd3-25c1-48bd-8bfc-697da3c523e0.rs 6638ce41fbf2e23feb2f4fc08efdcddb 1
20. 6d201684-ccbe-4c27-b842-15773956c592.rs 13e579b473729ce1467d941fbf8dca37 1
21. 33ab806a-d493-4d6f-a8fe-50870d34ab6c.rs 4ef2b319c7fd18fa7e5f58a4fb04bfd9 1

Registry Details

Trojan.Blocrypt may create the following registry entry or registry entries:
Regexp file mask
%APPDATA%\Microsoft\Protect\[RANDOM CHARACTERS].rs
SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinResSync
SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\WinResSync

Directories

Trojan.Blocrypt may create the following directory or directories:

%APPDATA%\Microsoft\Microsoft RS Import