: This typically decodes to the letter "г" (g) or the word "г." (abbreviation for город - city, or год - year).
: Some ransomware or malware strains append .anom to encrypted files. If this is a file on your computer that you cannot open, it may have been encrypted by malicious software .
: This sequence of characters is a common artifact of the Russian word "сообщение" (message) or "сведения" (information/data) being encoded multiple times.
If this is a file on your computer that you are unable to open, if you suspect it may be malware-related.