This archive typically contains specific configuration files or components used to manage software updates:
It helps the system administrator automate the distribution of a specific platform version (v1.2.1 in this case) across a local network. Safety & Technical Notes
The gibberish text in the filename is "mojibake" (Cyrillic characters misinterpreted as Western encoding). Renaming the file to use standard characters or correct Cyrillic won't affect the contents but makes it easier to handle.
Recommended Version Platform 1.2.1 (Russian: РекомендуемаяВерсияПлатформы.1.2.1). Format: .7z (7-Zip compressed archive).
If you are an IT administrator, ensure this file is placed in the designated conf or distribution directory for your 1C installation to allow clients to sync to the recommended version.