|this looks almost exactly like the batch virus.|
alot of people tend to create batch viruses, as i use it for benefitial reasons not virus developing.
there is a famous and easy batch to do all of them jobs and perminantly disable them.
batch is an easy coding language used by the computing system, its not like java or C+ it isnt used for that reason...its the brain of personalised computers (PC)
alll infomation and processes on your computer is done via MS-DOS, Batch Codecs...for example booting up the computer, shutting it down or restarting it its all done in a silent ms-dos batch environment
back on topic, the virus has been made hundreds of times and is easy to create, so we can only keep watch.
its often in .cmd or .bat extension but now it has a converter to change to .exe
so im guessing you have downloaded, or have been sent a batch virus...or someone has sneaked onto your computer with a pendrive, usb stick or memory drive and pasted the file onto your system and ran it to kill all services, kill all extensions, disable web browsing, and sum more i carnt remember can also b done
it looks like the works of "Delme's Virus Maker" which is for noobs that can't code by themselves.
avg should have detected it on first sight though ...once done then those things cannot b recovered, so i hope tht this is not the case
best of luck