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strange files being created


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#1 klayymann

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Posted 28 November 2010 - 03:33 PM

have noticed some strange folders on my shared harddrive

None of these folders cannot be deleted.
One of them named:
"9b2529692949a1396c06b567"
has subfolders
1025
1028
1029
.....
2070
3076
3082

Every of these folders contains files:
"eula.rtf"
and
"HotFixInstallerUI.dll"
along with others.

how do you delete them??

i also have a %SystemDrive% folder on my desktop, which i also want to delete

thanks for your assistance

Edited by Orange Blossom, 28 November 2010 - 04:09 PM.
Move to AII for initial assistance. ~ OB


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#2 quietman7

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Posted 29 November 2010 - 10:16 AM

Randomly named alpha/numeric folders are commonly created and used temporarily when updating Windows components. They are also used by some software programs (i.e. Microsoft Office, Microsoft Visual Studio, etc) during update or installation to hold setup files (.inf, .cat, .gpd, .ppd and .dlls) and other information. These files and folders are usually automatically removed as part of the update process. However, its not uncommon for them not to be cleaned up and left behind after the update has been applied. When that occurs they usually can be manually deleted at any time.

For example, when you run the MS Malicious Software Removal Tool (MSRT), a temporary folder with random alpha/numeric characters (i.e. C\79f142e5e9e574d23954) will be created on your C:\ drive that contains mrt.exe, mrtstub.exe and a file named $shtdwn$.req. Since external drives can be a hiding place for malicious files, MSRT will scan them too and you may find a left over folder in that location. Most of the time after performing a scan and you click finish or cancel, the folder will automatically be removed right away or after the next restart of the computer. If not, the folder and its contents can be manually deleted without an adverse effect on the computer.

Installation of security updates from Microsoft for MSMXL packages and hotfixes also create temporary randomly alpha/numeric named folders that contain sub-folders like amd64, i386. The creation date should match the installation date of the updates or show in the ReportingEvents.log located in the C:\Windows\SoftwareDistribution folder. Again, finding these leftover temporary files are not uncommon after applying an update. Please see Windows Updates Leftover Files and Folders for examples of such files.

-- Note: In some cases, you may receive an "Access Denied" message when attempting to delete a file(s), so the first thing to try is deletion after booting into safe mode.

For stubborn files you may need to use a third-party tool to remove them:

Edited by quietman7, 29 November 2010 - 10:28 AM.

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