Threat Database Worms Worm.Mefir.R

Worm.Mefir.R

By CagedTech in Worms
Published:
Last updated:

Threat Scorecard

Threat Level: 50 % (Medium)
Infected Computers: 8
First Seen: November 22, 2012
OS(es) Affected: Windows

The detection of Worm.Mefir.R on your system indicates a potential security threat that requires immediate attention. This worm, like others of its kind, is designed to replicate and spread to other computers, potentially causing harm to your data and system integrity. Understanding what Worm.Mefir.R is, how it operates, and the symptoms it may exhibit is crucial in taking the appropriate steps to remove it and protect your system.

What Is Worm.Mefir.R?

Worm.Mefir.R is identified as a worm, which is a type of malware that can spread from system to system without the need for human interaction. Unlike viruses, worms do not require a host program to replicate. The name Worm.Mefir.R itself does not directly indicate a specific malware family, but its classification as a worm suggests it has the capability to self-replicate and propagate across networks.

How Worm.Mefir.R Operates

Worms like Worm.Mefir.R typically operate by exploiting vulnerabilities in operating systems or applications to gain access to a computer. Once inside, they can replicate themselves, potentially leading to a significant decrease in system performance. They may also create backdoors, allowing unauthorized access to the infected system, and can be used to distribute other types of malware. The operation of Worm.Mefir.R would likely involve scanning for vulnerable systems, exploiting those vulnerabilities, and then using the infected systems to spread further.

Symptoms of Infection

Symptoms of a Worm.Mefir.R infection can vary but may include noticeable slowdowns in system performance, frequent crashes, and unusual network activity. Infected systems may also exhibit signs of unauthorized access or changes to system settings. Since worms can lead to the installation of additional malware, symptoms can be diverse and may mimic those of other types of malware infections. It's essential to be vigilant and monitor system behavior closely for any signs of compromise.

How to Remove Worm.Mefir.R

  1. Boot your computer in Safe Mode with Networking to prevent Worm.Mefir.R from loading and to allow for the removal process.
  2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove Worm.Mefir.R and any other malware that may be present.
  3. Uninstall any suspicious programs or applications that were installed around the time of the suspected infection. Be cautious and only remove programs you are certain are not essential to your system's operation.
  4. Reset your web browsers (Chrome, Firefox, Edge) to their default settings to remove any malicious extensions or settings changes made by Worm.Mefir.R.
  5. After completing the above steps, reboot your computer and perform another full scan with your anti-malware tool to ensure that Worm.Mefir.R has been completely removed.

Conclusion

The removal of Worm.Mefir.R requires careful and immediate action to prevent further damage to your system and data. By understanding the nature of worms and following the steps outlined for removal, you can help protect your system from this and similar threats. It's also crucial to maintain good cybersecurity practices, including keeping your operating system and applications up to date, using strong antivirus software, and being cautious when opening emails or downloading files from unknown sources. Preventing infections is key, but knowing how to respond to detections like Worm.Mefir.R is equally important in safeguarding your digital security.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
AVG FakeAV_s.SP
Fortinet W32/FakeAlert.D!tr
Sophos Troj/Zbot-DDW
Symantec Suspicious.Cloud
McAfee Artemis!39DC44C4275B
Panda Trj/CI.A
AntiVir TR/Crypt.ZPACK.Gen
McAfee Artemis!C343BDEAA5EF
Fortinet W32/FakeAV.SEB!tr
McAfee-GW-Edition Heuristic.LooksLike.Win32.Suspicious.F!85
Sophos Mal/FakeAV-OY
McAfee FakeAlert-SecurityTool.gf
Panda Trj/Genetic.gen
AVG Win32/Cryptor
Fortinet W32/Kryptik.ZOW!tr

SpyHunter Detects & Remove Worm.Mefir.R

File System Details

Worm.Mefir.R may create the following file(s):
# File Name MD5 Detections
1. qjbjooha.exe 39dc44c4275b057fc9094e41a59de1ed 2
2. ntvdm.exe b43ae53b160faa682fde725b833eddf3 2
3. 3ED3BA.exe c343bdeaa5ef0d19c76a2772629b45dd 2
4. 1027.exe d7edabfc2db90c2a4bbfa287f1f6d4c7 1
5. temp95.exe 4debb6c25b87987e841d3b4fdfe44332 1