Solved

Virus infected - cannot install antivirus "the system administrator has set policies to prevent this installation"

Posted on 2008-10-09
6
2,738 Views
Last Modified: 2013-12-04
(Searched the knowledgebase but didn't find the solution).

I have a colleague's laptop which is infected with the Antivirus XP 2008 spyware and the Gaggle.D/Israfel.vbs worm (and probably a lot more too - they didn't have AV on the laptop and downloaded from internet).

The error message "the system administrator has set policies to prevent this installation" is preventing me from installing an AV package as well as opening the registry editor. This is so in Safe Mode as well as the Safe Mode administrator. As its XP Home there isn't the gpedit.msc snap-in and I'm hitting a brick wall.

Any help appreciated.

C
0
Comment
Question by:CSHTech
6 Comments
 
LVL 8

Accepted Solution

by:
russell124 earned 300 total points
ID: 22680683
There are probably several things that are causing this.

The virus likely has injected .dll's into system processes, and there is a good chance that that the machine has a root kit as well.  Either of these could be actively monitoring the system for attempted installations of antivirus software, and be preventing it from being installed.

Can you try to run HijackThis and rootkit revealer, and post the logs?

http://www.trendsecure.com/portal/en-US/tools/security_tools/hijackthis

http://technet.microsoft.com/en-us/sysinternals/bb897445.aspx

0
 
LVL 20

Assisted Solution

by:IndiGenus
IndiGenus earned 200 total points
ID: 22680790
I agree with russell124 in getting those logs. I would also run MalwareBytes' Anti-Malware as it removes AV2008 nicely.

http://www.malwarebytes.org/mbam.php

Let it fix whatever if finds. Let us know how you make out.

Regards,
Dave
0
 
LVL 2

Expert Comment

by:Dan560
ID: 22680797
http://www.malwarebytes.org/ is good for removing spyware, (if it is spyware)
0
Technology Partners: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

 
LVL 4

Expert Comment

by:dcolvard2008
ID: 22680850
I would remove the harddrive and install it in a protected machine and then Run a scan with Malwarebytes on the drive as suggested above Along with an antivirus program like Kaspersky.
0
 

Author Comment

by:CSHTech
ID: 22680893
Thanks for the quick responses.

I'll try the above and get back to you.

Regards

C
0
 

Author Closing Comment

by:CSHTech
ID: 31504750
Thanks to your help, I've been able to remove the offending services which messed up the security policies and registry entries, prevented me installing AV software and opening the Registry Editor. Kaspersky is now disinfecting (2519 files so far of an email worm).
Many thanks.
0

Featured Post

Free Tool: ZipGrep

ZipGrep is a utility that can list and search zip (.war, .ear, .jar, etc) archives for text patterns, without the need to extract the archive's contents.

One of a set of tools we're offering as a way to say thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

In today's information driven age, entrepreneurs have so many great tools and options at their disposal to help turn good ideas into a thriving business. With cloud-based online services, such as Amazon's Web Services (AWS) or Microsoft's Azure, bus…
Today, still in the boom of Apple, PC's and products, nearly 50% of the computer users use Windows as graphical operating systems. If you are among those users who love windows, but are grappling to keep the system's hard drive optimized, then you s…
Two types of users will appreciate AOMEI Backupper Pro: 1 - Those with PCIe drives (and haven't found cloning software that works on them). 2 - Those who want a fast clone of their boot drive (no re-boots needed) and it can clone your drive wh…
Finds all prime numbers in a range requested and places them in a public primes() array. I've demostrated a template size of 30 (2 * 3 * 5) but larger templates can be built such 210  (2 * 3 * 5 * 7) or 2310  (2 * 3 * 5 * 7 * 11). The larger templa…

713 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question