Is your avi & mp3 files have automatically changed into jpeg (image format) ? Here's a solution

It's a kind of malware that has created a folder in c:/windows/system32/mcont.

mcont stands for media control delete this folder if it exist there.

Its also there in startup. So you need to uncheck the media control from the startup....

1. Click start
2. Click on run and type msconfig
3. Go to the right most tab startup
4. Find media control and uncheck it.
5. Press ok and restart your pc.

After that you need to convert your files back to the original format for this you just need to change the extension of the file back to .avi or .mp3 which can be done by using a file extension changer application. i.e. FECSetup3.3.zip.

So, change your files back to original format and enjoy.

If you want to read more about what malicious files are please go through the below details - 

What are malicious files ?

Malicious files, also known as malware, are computer files designed with the intent to harm, disrupt, or gain unauthorized access to a system or network. These files can pose serious threats to individuals, organizations, and even entire nations. Malicious files come in various forms and can target different aspects of a computer system, including its operating system, software, or data.

Here are some common types of malicious files:

1. Viruses: Viruses are self-replicating programs that attach themselves to clean files and infect other files when executed. They can corrupt or delete data, spread to other systems, and often require human interaction to propagate.

2. Worms: Worms are similar to viruses but do not need a host file to spread. They can replicate and spread independently, usually through network vulnerabilities, email attachments, or instant messaging platforms.

3. Trojans: Trojans, named after the Trojan Horse in Greek mythology, masquerade as legitimate files or software. Once installed, they can create backdoors, steal sensitive information, or provide unauthorized access to a system for the attacker.

4. Ransomware: Ransomware is a type of malware that encrypts files or locks the entire system, rendering it inaccessible to the user. Attackers demand a ransom to provide the decryption key, often in the form of cryptocurrency, in exchange for restoring access.

5. Spyware: Spyware is designed to gather information without the user's consent. It can track keystrokes, capture screenshots, record browsing habits, and transmit sensitive data to the attacker. Spyware is often used for surveillance or stealing personal information.

6. Adware: Adware displays unwanted advertisements, usually in the form of pop-ups or banners, to generate revenue for the attacker. While not inherently malicious, adware can degrade system performance, compromise user privacy, and be difficult to remove.

7. Rootkits: Rootkits are sophisticated malware that provide unauthorized access to a system while concealing their presence. They replace system files, modify system configurations, and give attackers full control over compromised devices, making them difficult to detect and remove.

Preventing and mitigating the risks associated with malicious files involve several best practices:

1. Use reliable antivirus and anti-malware software and keep it up to date.

2. Regularly update your operating system, applications, and firmware to patch security vulnerabilities.

3. Be cautious when downloading files or opening attachments, especially from unknown sources or suspicious emails.

4. Enable automatic updates for your software to ensure you have the latest security patches.

5. Practice safe browsing habits, such as avoiding suspicious websites and not clicking on unverified links.

6. Regularly back up your important data to protect against ransomware attacks.

7.Educate yourself and your employees about safe computing practices, including recognizing phishing attempts and social engineering tactics.

In case of a suspected malware infection, it is essential to isolate the affected system, disconnect it from the network, and seek professional help to remove the malicious files and restore the system's integrity.

Remember, maintaining a strong defense against malicious files requires a combination of technology, user awareness, and proactive security measures.