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Ramnit virus. How to remove? (Uninstall guide)

removal by Linas Kiguolis - - | Type: Trojans

Ramnit is a virus which can give remote access to your computer for the cybercriminals

Ramnit virus image
Ramnit virus is a Trojan horse which targets to infect HTML and EXE files.

Ramnit virus is a dangerous cyber threat which infects EXE, DLL and HTML files[1] on the targeted device. Experts categorize this malicious program as a Trojan horse as it might create a backdoor by connecting the affected computer to the remote server. Even though it might be hard to identify the attack, you can notice that files infected by Ramnit virus are renamed as Srv.exe once the malware infiltrates the system. 

Name Ramnit virus
Type Trojan Horse
Alternative names Worm:Win32/Ramnit.A; Virus:VBS/Ramnit.A; Virus:Win32/Ramnit.A; Virus.Ramnit; Trojan.Ramnit;
Danger level High. Might give remote control over the device to the hackers
Distribution It spreads via infected external drives, such as USB Flash 
Affected files .HTML; .HTM; .EXE
Targeted OS Windows and Mac OS
Symptoms The targeted files on the infected computer are renamed, like <file name>Srv.exe
Removal If you notice the symptoms, you should immediately get Reimage to delete Ramnit virus

Researchers note that Ramnit malware is highly sophisticated — it can hide its presence on the system by creating a default web browser process and injecting the malicious code into it. As a result, some security tools are not able to detect the obfuscated cyber threat, and the Trojan can perform its hazardous activity. 

Ramnit Trojan not only infects files with .HTM, .HTML, and .EXE extensions, but also creates a backdoor[2] by connecting the computer to the remote server. Once it is done, cybercriminals can take over the affected device and perform the following actions:

  • Infiltrate the system with more malware;
  • Record keystrokes and obtain personal information;
  • Steal logins and passwords;
  • Use CPU for cryptocurrency mining.

Likewise, it is essential to recognize the infection as soon as possible. One of the most common Ramnit symptoms is the change of the infected file's name. Therefore, if you notice any files with the ending of Srv.exe, you should be aware that your system is attacked by the Trojan. 

Ramnit virus illustration
Ramnit virus is a dangerous cyber threat which spreads via infected removable external devices, like USB Flash drives.

Our security experts recommend you to take actions immediately — you can install Reimage for Ramnit removal. This security tool uses the malware database which helps it to identify and delete Ramnit along with other malicious programs successfully. 

However, before you remove Ramnit virus with the antivirus, you might need to reboot your computer into Safe Mode to deactivate the cyber threat. For that, we have prepared detailed instructions which are appended to the end of this article. Follow them attentively.

Infected removable drivers are the main malware distribution source

According to the research, this Trojan horse spreads via infected external drives. Once, for example, USB Flash drive, is connected to the computer, it drops the payload of the malware and HTML, EXE, and HTM files are being infected. However, along with the primary distribution method, this cyber threat might also spread via one of the following ways:

  • Fake software updates uploaded on peer-to-peer (P2P) file-sharing sites;
  • Online ads containing malicious scripts;
  • Inside the attachments of spam emails;

Therefore, security analysts[3] recommend you to stay vigilant and monitor your online activity. In other terms, you should never click on any suspicious content online, including attractive pop-up ads, hyperlinks to unknown sites, surveys, unauthorized emails, spam attachments, etc. 

Additionally, make sure that you refrain from downloading software cracks or video, audio files illegally. P2P networks can be exploited to distribute malware disguised as a legitimate file. Thus, install applications only from official websites and use an antivirus with real-time protection for an extra layer of security. 

Ramnit virus removal guide

Computer users should understand that this cyber threat is highly sophisticated. In other terms, any thoughts about manual Ramnit virus removal should not be considered. Ramnit virus analysis revealed that it could not only disguise itself running under legitimate system processes but also drop its components in random locations on the system.

Therefore, if you try to remove Ramnit manually, there is a substantial risk that you won't get rid of all its elements and the malware would reappear on the computer. Luckily, you can get Reimage, Malwarebytes MalwarebytesCombo Cleaner, or Plumbytes Anti-MalwareMalwarebytes Malwarebytes for quick Ramnit removal. Before that, reboot your system into Safe Mode as shown below this article. 

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.
Alternative Software
Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

To remove Ramnit virus, follow these steps:

Remove Ramnit using Safe Mode with Networking

Follow these steps to boot your PC into Safe Mode with Networking:

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Ramnit

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Ramnit removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Ramnit using System Restore

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Ramnit. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Ramnit removal is performed successfully.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Ramnit and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes MalwarebytesCombo Cleaner or Plumbytes Anti-MalwareMalwarebytes Malwarebytes

About the author

Linas Kiguolis
Linas Kiguolis - Expert in social media

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References