Versions

11,5,0,0228	8.33%
11,5,0,0152	8.33%
11,0,0,1751	8.33%
10,0,0,1102	8.33%
10,0,0,525	8.33%
9,0,0,2160	16.67%
9,0,0,2152	8.33%
9,0,0,2128	8.33%
9,0,0,2034	8.33%
9,0,0,797	8.33%
8,1,0,244	8.33%

There are 11 versions of yahoomessenger.exe in the wild, the latest version being 11,5,0,0228. yahoomessenger.exe is run as a standard windows process with the logged in user's account privileges. By adding a startup entry to the run registry key, the file will be executed when the user logs into Windows. The average file size is about 4.82 MB. The file is a digitally signed and issued to Yahoo! Inc. by VeriSign. The programs Yahoo! Messenger, Yahoo!7 Messenger and Yahoo! Install Manager have been observed as installing specific variations of yahoomessenger.exe. During the process's lifecycle, the typical CPU resource utilization is about 0.0016% including both foreground and background operations, the average private memory consumption is about 62.95 MB. Addionally, typically read and write I/O disk operations is about 7 KB per minute for reads and 2 KB per minute for writes.