Malwarebytes hangs scanning Windows.Web.Wallpaper images - Infection?

[GoshenMalicious]

System:  Windows 7 Home Premium, SP 1, 64 bit

Hardware:  ASUS laptop K52F

Malwarebytes - free version 2.0.2.1012 (build date 5.12.2014)

 

Malwarebytes successfully completes a scan when I choose "Threat Scan" & finds no malicious items.

However a problem arises when I choose "Custom Scan" and check the C & D drives for scanning. When Malwarebytes reaches the folder C:\Windows\Web\Wallpaper\Scenes or C:\Windows\Web\Wallpaper\Windows, Malwarebytes hangs when trying to scan the image files in these folders; never, even after many minutes, moves on to the next file. Note that if within Windows Explorer I select one or more image files in these folders and right click on "Scan with Malwarebytes...", this works just fine - the scan completes and no "malicious items" are found.

 

I have tried uninstalling Malwarebytes, running mbam-clean.exe, rebooting, downloading a new copy from  https://www.malwarebytes.org/mwb-download/, reinstalling, rebooting - the problem still occurs.

 

Note that I have scanned my laptop for malware using: Avira, Stinger, SuperAntiSpyware, Windows Defender, AdwCleaner, RogueKiller - nothing was found.

 

Per this forum's instructions, I have attached (files to big to paste) the output from Farber - FRST.tst & Addition.txt.

 

Thank you.

 

FRST.txt

Addition.txt

[GoshenMalicious]

Some additional information...

(1) I ran SFC /SCANNOW -- no integrity problems were found

(2) I ran CHKDSK on C drive -- no problems were found; log is below

(3) Laptop Seagate 500MB drive -- I ran Seagate's Seatools for Windows "long generic test" which took 2 hrs 20 mins -- test passed; log is below

 

CHKDSK log:

Checking file system on C:

The type of the file system is NTFS.

Volume label is OS.

 

A disk check has been scheduled.

Windows will now check the disk.                         

 

CHKDSK is verifying files (stage 1 of 5)...

  200960 file records processed.                                          File verification completed.

  975 large file records processed.                                      0 bad file records processed.                                        0 EA records processed.                                              76 reparse records processed.                                       CHKDSK is verifying indexes (stage 2 of 5)...

  281016 index entries processed.                                         Index verification completed.

  0 unindexed files scanned.                                           0 unindexed files recovered.                                       CHKDSK is verifying security descriptors (stage 3 of 5)...

  200960 file SDs/SIDs processed.                                         Cleaning up 172 unused index entries from index $SII of file 0x9.

Cleaning up 172 unused index entries from index $SDH of file 0x9.

Cleaning up 172 unused security descriptors.

Security descriptor verification completed.

  40029 data files processed.                                            CHKDSK is verifying Usn Journal...

  37085080 USN bytes processed.                                             Usn Journal verification completed.

CHKDSK is verifying file data (stage 4 of 5)...

  200944 files processed.                                                 File data verification completed.

CHKDSK is verifying free space (stage 5 of 5)...

  8570063 free clusters processed.                                         Free space verification is complete.

Windows has checked the file system and found no problems.

 

 122097171 KB total disk space.

  87408120 KB in 148660 files.

     96640 KB in 40030 indexes.

         0 KB in bad sectors.

    312159 KB in use by the system.

     65536 KB occupied by the log file.

  34280252 KB available on disk.

 

      4096 bytes in each allocation unit.

  30524292 total allocation units on disk.

   8570063 allocation units available on disk.

 

Internal Info:

00 11 03 00 1d e1 02 00 5c 4f 05 00 00 00 00 00  ........\O......

e2 02 00 00 4c 00 00 00 00 00 00 00 00 00 00 00  ....L...........

00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................

 

Windows has finished checking your disk.

Please wait while your computer restarts.

 

SEAGATE Seatool log:

--------------- SeaTools for Windows v1.2.0.8 ---------------

9/10/2013 2:16:43 PM

Model: ST9500325AS

Serial Number: 6VEFQTW7

Firmware Revision: 0003SDM1

Identify - Started 9/10/2013 2:16:43 PM

Short DST - Started 12/3/2013 8:23:47 AM

Short DST - Pass 12/3/2013 8:24:49 AM

SMART - Pass 12/3/2013 8:27:01 AM

Identify - Started 12/3/2013 8:27:10 AM

Long Generic - Started 12/3/2013 8:27:41 AM

Long Generic Aborted 12/3/2013 8:44:00 AM

Long Generic - Started 9/16/2014 4:18:13 PM

Long Generic - Pass 9/16/2014 6:31:23 PM

Identify - Started 9/16/2014 6:33:46 PM

Short DST - Started 9/16/2014 6:34:09 PM

Short DST - Pass 9/16/2014 6:35:27 PM

 

[AdvancedSetup]

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