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Windows 7: Stubborn Viruses

25 Aug 2010   #21
Tews

64-bit Windows 8.1 Pro
 
 

Does your laptop have a recovery partition that you can restore from???

Download the trial version of Enterprise and reinstall it ..

http://technet.microsoft.com/en-us/e.../cc442495.aspx


My System SpecsSystem Spec
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25 Aug 2010   #22
dranfu

 

Quote:
pre boot found mirc-z PUP in the MIRC folder, and i deleted it , is it a virus?
PUP stands for potentially unwanted program. MIRC is a popular Internet Relay Char (IRC) program. If you use it, then it was probably your folder that it found, but that of course depends on where it was when it found it. IRC is a great way to get hacked and to be flooded with viruses, btw. There are better methods for finding files online. If the MIRC was not yours, then it is a great thing that it was deleted, as the program can be used in 1001 malicious ways.

Quote:
I visit blogs mostly, and sites I shouldn't. So i'll stop that. lol. I know I risk it when going to those sites so thats whyi'm not giving up because i knew it would happen sooner or later.
You know, you can still visit the entire internet, as long as you take some precautions. Most importantly, u should start using Firefox with No-Script installed. Here is a brief description of No-Script and AdBlock Plus

No-Script: The NoScript Firefox extension provides extra protection for Firefox, Flock, Seamonkey and other mozilla-based browsers: this free, open source add-on allows JavaScript, Java and Flash and other plugins to be executed only by trusted web sites of your choice (e.g. your online bank), and provides the most powerful Anti-XSS protection available in a browser.

NoScript's unique whitelist based pre-emptive script blocking approach prevents exploitation of security vulnerabilities (known and even not known yet!) with no loss of functionality...

You can enable JavaScript, Java and plugin execution for sites you trust with a simple left-click on the NoScript status bar icon (look at the picture), or using the contextual menu, for easier operation in popup statusbar-less windows.

AdBlock Plus: Annoyed by adverts? Troubled by tracking? Bothered by banners? Install Adblock Plus now to regain control of the internet and change the way that you view the web. You can also choose from over forty filter subscriptions to automatically configure the add-on for purposes ranging from removing online advertising to blocking all known malware domains.
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25 Aug 2010   #23
heaumanepunk

se7en
 
 

Thnx i have firefox on the PC but not on laptop. Why does'nt microsoft fix IE so it can work like firefox? , let me guess...to sell you programs? sounds right.

Avast is doing good, Its still scanning, it showing corrupt files, does it delete them by itself?

so if i download the trial and put in the serial i have it will it install as full verion?

would there be a way to update enterprise to Windows 7 Ultimate or something else?
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25 Aug 2010   #24
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote:
would there be a way to update enterprise to Windows 7 Ultimate or something else
Sure, for a price there is always a way. But why do you not reinstall from your recovery partition? Or could you tell us what is the origin of your Windows7.
My System SpecsSystem Spec
25 Aug 2010   #25
Tews

64-bit Windows 8.1 Pro
 
 

Enterprise is basically the same as Ultimate, so there would be no benefit to "upgrade". As long as you have a legitimate key, all you should need to do is enter it, then activate it...
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25 Aug 2010   #26
heaumanepunk

se7en
 
 

This is where i got the idea from. Is it even legal

How to upgrade Windows 7 Enterprise to Windows 7 Ultimate €” Jas Dhaliwal's Blog

Origin?
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25 Aug 2010   #27
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Origin - was it preinstalled on your system when you bought the PC or did you buy it seperately.
My System SpecsSystem Spec
25 Aug 2010   #28
Tews

64-bit Windows 8.1 Pro
 
 

Quote   Quote: Originally Posted by heaumanepunk View Post
This is where i got the idea from. Is it even legal

How to upgrade Windows 7 Enterprise to Windows 7 Ultimate — Jas Dhaliwal's Blog

Origin?
Im not sure if this is legal or not, but it requires you to use the Ultimate CD, and you stated that you do not have a cd/dvd drive, so you wouldnt be able to use this method anyway..
My System SpecsSystem Spec
25 Aug 2010   #29
dranfu

 

Quote:
So where do viruses hide? DLL.
Viruses hide in all kinds of ways, but many of them, especially those that are not rootkitting, are simply running on your system in plain view, trying to not be detected.

What I mean is, you may have a process (a program running) in taskmanager called Svchosts.exe. Now that may seem legitimate, but the actual windows process that is really from windows is called Svchost.exe. Just by adding that s to the end of the program name, you have hidden yourself from a large number of user's.

Also, it is possible for programs to open all types of handles and hooks into other programs, which makes them difficult to delete (if running the OS or in SafeMode). Handles are data structures that represent open instances of basic operating system objects applications interact with, such as files, registry keys, synchronization primitives, and shared memory ( see Pushing the Limits of Windows: Handles - Mark's Blog - Site Home - TechNet Blogs ). Your anti virus product may or may not be able to close the handle. In cases where it can't, it will likely tell you to restart. But at that point, a virus can detect that a restart is imminent. It can also detect if it has been scheduled to be moved (aka deleted). It can detect if a change was made to the registry, meaning a change to its registry entries, and will respond by just renaming itself and/or moving itself somewhere else--and the infection will just continue.

There are ways to find out what a virus is doing, including where it is hiding, what resources it is hooking into, how it is regenerating, etc. Sys Internals tools and a solid understanding of Windows Internals ( see here is where you would want to start.

With A Live Boot CD, because the OS is not running, the program is also not running, and therefore you can delete a virus and the virus will not be aware of what is going on. This is often the best way to go about getting rid of a virus. However, there are even limitations to this. Namely that, if your Anti Virus may not be aware of (have a signature for ) the virus that infected you. And if that is the case, then it will simply skip by the file.

And of course, the best thing to do is to re-format your PC, if this is not too much of an inconvenience. It is not always necessary, but it almost works
My System SpecsSystem Spec
25 Aug 2010   #30
heaumanepunk

se7en
 
 

Ty for that info dranfu, i will read all of it after this post. As for the virus, hopefully a Sys Restore will work...I konw im changing the subject but, it would be nice to make my own operating system......like ubuntu or MAC or some other linux OS that starts with an F....Maybe someday......its funny how we all want to do things but only some tend to follow through....well hopefully the virus gets wiped out...ty again for the virus info.
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