These strings are often used as "obfuscated" filenames on Usenet or file-sharing sites to avoid automated copyright takedowns.
Use a service like VirusTotal to check the file against multiple antivirus engines without running it. lylomawojewemabysucobrTJ.part02.rar
Automated backup software sometimes generates randomized strings for split volumes. These strings are often used as "obfuscated" filenames