During analysis, such archives may trigger standard system calls, such as creating temporary files in %TEMP% via applications like WINWORD.EXE , though this is often benign behavior related to the document being opened during the scan. Summary Recommendation If you have encountered this file:
Reports for files with these naming conventions often show a 0% detection rate by major antivirus vendors. k_o.7z
The specific filename k_o.7z has been associated with sandbox analysis reports on platforms like Hybrid Analysis . During analysis, such archives may trigger standard system
If you received it as an unexpected attachment, treat it with caution. While some public samples show no malicious activity, 7z archives are frequently used to bypass basic email filters. Free Automated Malware Analysis Service - Hybrid Analysis k_o.7z