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Post Virus cleanup


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#1 Techapps

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Posted 14 March 2009 - 02:46 PM

I am new to this forum and not an experienced computer fix it type. So I need some help. My computer became infected with a virus called by MSN as: TROJAN:Win 32/YEKTEL.A. My 2009 Norton Antivirus faile to detect the virus so I found MSN Defender which I downloade and it detected and removed the virus. In searching for a Av tool I downloaded REG_CURE software and ran it after the virus removal. It showed that there were over 1100 problem areas some of which were Registry related. Dealing with the Registry can lead to further problems. My Question is does anyone have any experience in using REG-Cure and if so what was the result? Should I trust REG-Cure to do the cleanup?
Thanks

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#2 tork

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Posted 14 March 2009 - 03:26 PM

Using registry cleaners can have disastrous effects on a system. Here's a quote from quietman7

Bleeping Computer DOES NOT recommend the use of registry cleaners/optimizers for a several reasons:

Registry cleaners are extremely powerful applications that can damage the registry by using aggressive cleaning routines and cause your computer to become unbootable.

The Windows registry is a central repository (database) for storing configuration data, user settings and machine-dependent settings, and options for the operating system. It contains information and settings for all hardware, software, users, and preferences. Whenever a user makes changes to settings, file associations, system policies, or installed software, the changes are reflected and stored in this repository. The registry is a crucial component because it is where Windows "remembers" all this information, how it works together, how Windows boots the system and what files it uses when it does. The registry is also a vulnerable subsystem, in that relatively small changes done incorrectly can render the system inoperable.

Not all registry cleaners are created equal. There are a number of them available but they do not all work entirely the same way. Each vendor uses different criteria as to what constitutes a "bad entry". One cleaner may find entries on your system that will not cause problems when removed, another may not find the same entries, and still another may want to remove entries required for a program to work.

Not all registry cleaners create a backup of the registry before making changes. If the changes prevent the system from booting up, then there is no backup available to restore it in order to regain functionality. A backup of the registry is essential BEFORE making any changes to the registry.

The usefulness of cleaning the registry is highly overrated and can be dangerous. In most cases, using a cleaner to remove obsolete, invalid, and erroneous entries does not affect system performance but it can result in "unpredictable results".

Unless you have a particular problem that requires a registry edit to correct it, I would suggest you leave the registry alone. Using registry cleaning tools unnecessarily or incorrectly could lead to disastrous effects on your operating system such as preventing it from ever starting again. For routine use, the benefits to your computer are negligible while the potential risks are great.


Ed Bott's Why I Don't Use Registry Cleaners

Do I need a Registry Cleaner

#3 Techapps

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Posted 14 March 2009 - 04:43 PM

Thank you for your informatiom.
I am sensitive to the role of the Registry and the requirement for special care. The troublesome partof this virus event for me is that, not having any previous experience with virus, I was under the illusion that I was fully ptotected with my Norton Antivirus which I have used for a number of years. It was only when the computer performance became degraded that I realized that the computer was infected. And then, only after considerable time in reasearch was I able to find a solution in using Defender. But, after the Trojan virus, which incedently had a Symantec name as wel as MSN anothers, was removed I ran scans using other software and found reports that stated there are additional viruses of lesser critically still in the computer.
Do you have a recomended course of action that I might follow.
Thank you for your help.

#4 hamluis

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Posted 14 March 2009 - 05:45 PM

<<Should I trust REG-Cure to do the cleanup?>>

No.

What (beside the ad which sold you RegCure) makes you think that your registry requires a "cleanup" of any sort?

Any XP error messages? Any troublesome situations that you can definitely say that are traceable to the registry...and that RegCure will be able to "cure" :thumbsup:?

Products like this are designed to find things "wrong" since "wrong" is never defined...and the user hasn't a clue as to what the program is actually doing in the registry.

FWIW: Should I Use A Registry Cleaner - http://aumha.net/viewtopic.php?t=28099

If you don't have any idea what a Microsoft MVP might be...I suggest you Google it.

As for NAV and Windows Defender...two eintirely different programs, each designed to perform differing functions. Neither will work satisfactorily if not properly updated/maintained. And neither can protect a user with computing habits that are less than safe.

Louis

#5 tork

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Posted 14 March 2009 - 05:47 PM

Since you think you are still infected, I recommend you work with the malware experts and start with Am I Infected What Do I do?

Edited by tork, 14 March 2009 - 05:49 PM.





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