Avast! File were overwritten.. According to OTL logs.
You also have Limewire, please remove it. (There from 2005, so going on a decade now that it's be installed)
[2014/04/27 20:22:52 | 000,054,832 | ---- | C] (AVAST Software) -- C:\WINDOWS\System32\drivers\aswrdr.sys.1400181962281
[2014/04/27 20:22:52 | 000,054,832 | ---- | C] (AVAST Software) -- C:\WINDOWS\System32\drivers\aswrdr.sys
[2014/04/27 20:22:53 | 000,777,488 | ---- | C] (AVAST Software) -- C:\WINDOWS\System32\drivers\aswsnx.sys
[2014/04/27 20:22:53 | 000,776,976 | ---- | C] (AVAST Software) -- C:\WINDOWS\System32\drivers\aswsnx.sys.1400181962281