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Am I right to worry about these files


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#1 grouser

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Posted 24 February 2015 - 06:22 AM

My F-Secure av picked up these unable to open files on scheduled scan,did a little googling and the results seem to indicate a virus/trojan or am I being paranoid any help would be grateful

  • Cannot open a file in archive C:\PROGRAMDATA\MICROSOFT\WLSETUP\CABLOGS\LOGS4.CAB
  • Cannot open file  C:\PROGRAMDATA\MICROSOFT\WINDOWS\DRM\CACHE\INDIV01.TMP

Edited by grouser, 24 February 2015 - 06:22 AM.


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#2 Phantom010

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Posted 24 February 2015 - 07:56 AM

Not sure.

 

Try submitting those files to VirusTotal.



#3 quietman7

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Posted 24 February 2015 - 08:14 AM

"Object is locked skipped", "File locked", "Locked file. Not tested", "Access Denied", "Some files could not be scanned", "file could not be opened", "Error Opening", "Password Protected" or "Encrypted" notations in an anti-virus/anti-malware scan are not uncommon. Some files and services are locked by the operating system or running programs during use for protection, so scanners cannot access them. Other legitimate files, especially those used by security programs, may be obfuscated, encrypted or password protected in order to conceal itself so they do not allow access as a protective measure. When the scanner finds such an object, it makes a note and then just skips to the next one. That explains why it may show with such notations but no action taken in certain anti-virus or anti-malware log scan reports. These are normal when using many security scanning programs so there is seldom a need for concern.Note: It is not unusual for an anti-virus or anti-malware scanner to have problems with or be suspicious of compressed, archived, .cab, .rar, .jar, .iso, and packed files because they have difficulty reading what is inside them. These kind of files often trigger alerts by security software using heuristic detection because they are resistant to scanning (difficult to read). This resistance may also result in some scanners to stall (hang) on these particular types of files or just ignore (skip) them.

When in doubt, you can report them to the anti-virus/anti-malware vendor so they can investigate, or get a second opinion by submitting (upload) to an online file analysis service or performing an online scan.
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#4 Phantom010

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Posted 24 February 2015 - 08:35 AM

Well there you have it, an impressive list of free online scanners. :thumbup2:

 

However, I do not believe the files are infected. They're simply locked.


Edited by Phantom010, 24 February 2015 - 08:36 AM.


#5 grouser

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Posted 24 February 2015 - 11:09 AM

Well there you have it, an impressive list of free online scanners. :thumbup2:

 

However, I do not believe the files are infected. They're simply locked.

Thanks for the feedback quiteman and phantom,I guess I'm being to sensitive in my old age,it's just that I've never seen them before and the only files that fell into that category where the recovery files on my D disc,although I did thinking about it repair my Windows Live and  that would kind of explain the WLSETUP as for the other I haven't a clue but having scanned my system for rootkits and used eset on line scanner both tools gave a clean bill of health,and my av scan showed nothing so perhaps it is just me being over cautious,Thanks again



#6 quietman7

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Posted 24 February 2015 - 11:15 AM

No problem. That's why I explained the most common reasons (in addition to unable to open)...you may see them at some point later on.
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