Patriot Duck 2 ноември 2012 в 8:59след.
Virus problems
So my antivirus software is reporting a trojan virus originating from Steam. Now I can't seem to launch it. Any help?
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Jordanwts 2 ноември 2012 в 9:11след. 
What is your antivirus?
Can you add the Steam folder to exceptions in the antivirus?
You will have to go through your antivirus to get to Steam, if it is indeed stopping you from launching.
If you can't do anything, I suggest changing antivirus.
Patriot Duck 2 ноември 2012 в 9:17след. 
I don't think that the antivirus is at fault here, because it was working just fine until today.
Perhaps I should uninstall Steam and Reinstall it.
bbutler 2 ноември 2012 в 9:28след. 
If you are having the same problem as I am, then you are seeing something that the Kaspersky AntiVirus people flagged as a trojan. The type of virus is: Trojan.Win32.Agent.unnc.

It is appearing in the following files so far:

•Steam AppOverlay.dll Deleted: Trojan.Win32.Agent.unnc
•Steam vstdlib_s.dll Deleted: Trojan.Win32.Agent.unnn

I think these files are necessary for the steamui dll to function so that is why it won't run.

Repost if uninstalling and reinstalling works... Steam on my PC was working just fine as well when I left the house this afternoon. If it doesn't fix it then I think the folks at Valve might have to work it out. Obviously an automatic update to Steam wouldn't help because it isn't launching for us. :/

Side note: I attempted to repair Steam via the SteamInstall.msi off the website but apparently the Support.url file the Cabs.w1.cab file couldn't be located or was corrupted so the installation process ended prematurely due to that error.
Последно редактиран от bbutler; 2 ноември 2012 в 9:32след.
Patriot Duck 2 ноември 2012 в 9:31след. 
That is the EXACT problem I have. I'll uninstall and reinstall tomorrow. It's getting late.
jaxsom_74 2 ноември 2012 в 9:33след. 
My AV is Kaspersky 2013. Steam gave me a minor update today sometime and discovered the trojan.win32.Agent.unnn. According to thier site they just dicovered this malware just after midnight on nov 3 2012. That's just a few hours ago.
I had to make sure my AV database was up to date, run a scan and was still finding a threat, so I uninstalled steam and rescanned and that seemed to do the trick.
bbutler 2 ноември 2012 в 9:33след. 
If you uninstall and reinstall Steam, do you have to reinstall the games you have installed too?
Patriot Duck 2 ноември 2012 в 9:34след. 
Thanks. If I have any more problems tomorrow then I'll just post again.
Patriot Duck 2 ноември 2012 в 9:35след. 
Първоначално публикувано от bbutler:
If you uninstall and reinstall Steam, do you have to reinstall the games you have installed too?
I'm not sure.
bbutler 2 ноември 2012 в 9:36след. 
Първоначално публикувано от Patriot Duck:
Първоначално публикувано от bbutler:
If you uninstall and reinstall Steam, do you have to reinstall the games you have installed too?
I'm not sure.
Guess I'll find out...
Wilson 2 ноември 2012 в 9:41след. 
Showed up on Kaspersky for me too. I've submitted two false positive reports. I've added Steam to the exclusion folder until Kaspersky can get it sorted out :/ Steam/L4D2 works fine after adding to the exclusion list.
Crode 2 ноември 2012 в 9:47след. 
I just got this happen to me about 30 minutes ago. ZoneAlarm extreme. Trojan.Win32.Agent.unnn
Trojan.Win32.Agent.unnc
It was unable to delete them and quarantined them. Steam updates and the files are found again with virus.

Either its a false flag or steam is updating everyone with a trojan =)
Последно редактиран от Crode; 2 ноември 2012 в 9:49след.
bbutler 2 ноември 2012 в 9:50след. 
Първоначално публикувано от Crode:
I just got this happen to me about 30 minutes ago. ZoneAlarm extreme. Trojan.Win32.Agent.unnn
Trojan.Win32.Agent.unnc
It was unable to delete them and quarantined them. Steam updates and the files are found again with virus.

Either its a false flag or steam is updating everyone with a trojan =)
I'd really like to think that's not the case... :|
overocea 2 ноември 2012 в 9:51след. 
Same problem here with Kaspersky :/
Gaizek 2 ноември 2012 в 9:52след. 
Just talked to ZoneAlarm tech support, they use Kaspersky's database so any ZoneAlarm product is going to pick this up as well.
Crode 2 ноември 2012 в 9:57след. 
Anyone know if this was a steam update or a virus definition update that caused this?
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