Recent reports from the National Institute of Standards and Technology (NIST) have highlighted vulnerabilities in the 7-Zip extraction process that could allow unauthorized code execution if an archive is malicious. Additionally, fake 7-Zip installers and archives have been used recently to turn PCs into proxy nodes.
The name "MopSurreal" is non-standard. Files with randomized or "surreal" names are frequently associated with: MopSurreal.7z
Where did you or what was the intended use when you downloaded it? Recent reports from the National Institute of Standards
Use a multi-engine scanner like VirusTotal to check the hash of the .7z file. Files with randomized or "surreal" names are frequently
Check your download history or %PROGRAMFILES% folder to see if it was bundled with another program you recently installed.
The .7z extension indicates a compressed archive created with 7-Zip . These files can contain any combination of documents, scripts, or executables.
License. 7-Zip is free software with open source. The most of the code is under the GNU LGPL license. How to recover corrupted 7z archive