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How to scan and clean PST file?

  • 17 July 2019
  • 6 replies
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Hi. We have been exporting a large volume of Email data to PST files from a non-Microsoft Email system (GroupWise).

Some Emails in the PST's may contain viruses/malware. These emails are detected by Kaspersky as and when you come across the Emails if you were to try and open a message.

But how can I scan the PST's, without opening the PST's and attaching them to an Outlook client?

Thanks, Alan
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Best answer by Oleg Bykov 18 July 2019, 12:26

Patrick, I'm afraid we cannot delete individual emails from a PST file - we'll treat the PST as an infected archive in this case, removing it whole. So kavshell won't help much.
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Context Search dont work? OR Search via Kavshell (KSWS)?
Patrick I'm not sure what you mean? Context search? Do you mean doing a search will trigger an AV scan?
To confirm, these PST's are not attached to Outlook, they are for archive purposes. But I know some of them have dormant malware (normally trivial old school things, before the days that these were always detected). I was after a way of finding the emails with these and getting rid of them, to reduce the risk of future detection that may corrupt the PST files.
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If u have install Kaspersky Security for Server (KSWS) u have a cmd tool for that

https://support.kaspersky.com/5027 (the link has the old Security App, but most of commands are compatible)

pls note to do a backup before if something go wrong
Patrick, I'm afraid we cannot delete individual emails from a PST file - we'll treat the PST as an infected archive in this case, removing it whole. So kavshell won't help much.
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But how can I scan the PST's, without opening the PST's and attaching them to an Outlook client?

Isn't the goal to get knowledge in the first step or to scan it?
Because he doesn't know if this is the truth.
But how can I scan the PST's, without opening the PST's and attaching them to an Outlook client?

Isn't the goal to get knowledge in the first step or to scan it?
Because he doesn't know if this is the truth.

If the goal is to know if some PST contains infected messages or not, then yes, kavshell scanning can be used for that.

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