Versions

6.13.0.13771	10.78%
6.12.0.13601	2.61%
6.11.0.13348	4.17%
6.11.0.13307	0.87%
6.10.0.13089	1.39%
6.9.0.12585	12.17%
6.8.0.12323	0.17%
6.7.0.12055	4.52%
6.6.0.11664	16.70%
6.5.0.11422	12.52%
6.4.0.11328	4.87%
6.3.0.11079	20.17%
6.2.0.10687	2.96%
6.1.0.10441	2.78%
6.0.0.10297	2.09%
6.0.0.10201	1.22%

c2c_service.exe has 16 known versions, the most recent one is 6.13.0.13771. It is started as a Windows Service with the name 'Skype C2C Service' and described as “Skype Click to Call Update Service”. . In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). The average file size is about 3.07 MB. It is an authenticode code-signed executable issued to Skype Technologies SA by the certification authority VeriSign. The programs Skype Click to Call, Skype™ 6.1 and AVerMedia Applications have been observed as installing specific variations of c2c_service.exe. During the process's lifecycle, the typical CPU resource utilization is about 0.0019% including both foreground and background operations, the average private memory consumption is about 3.2 MB with the maximum memory reaching around 6.82 MB. Addionally, typically read and write I/O disk operations is about 1.36 KB per minute for reads and 70 Bytes per minute for writes.

The Click & Call Advertising with Skype plug-in highlights Skype contacts and phone numbers on most websites. Within the web browser such as Internet Explorer, click on the number to call it with Skype. Phone numbers and Skype contacts are highlighted wherever they appear on the web.