Imap Infection . I delete these files and they just come back again

[shaneblyth]

Apple mail
imap
I have manually deleted these they come back again. I also tried letting avast delete them and then scan again and they are gone but later they come back again. Am I right in thinking as this is imap and gmail tht it is somehow downlaoding them again from gmail or something?
How can I permanently delete these old files with the redirect infect from mail
I have exited mail before doing these deletions.
heres the read out of files


<string>JS:Redirector-RU [Trj]</string>
         <key>Path</key>
         <string>/Users/MBAir/Library/Mail/V2/IMAP-shaneblyth@imap.gmail.com/[Gmail].mbox/All Mail.mbox/EA638E87-0B07-4266-BAE1-49848200DE71/Data/6/3/Attachments/36417/2/qmlmev.html</string>
         <key>Result</key>
         <string>Infection</string>
      </dict>
      <dict>
         <key>Depth</key>
         <integer>1</integer>
         <key>Info</key>
         <string>JS:Redirector-RU [Trj]</string>
         <key>Path</key>
         <string>/Users/MBAir/Library/Mail/V2/IMAP-shaneblyth@imap.gmail.com/[Gmail].mbox/All Mail.mbox/EA638E87-0B07-4266-BAE1-49848200DE71/Data/6/3/Messages/36417.emlx|&gt;qmlmev.html#351714014</string>
         <key>Result</key>
         <string>Infection</string>
      </dict>
      <dict>
         <key>Path</key>
         <string>/Users/MBAir/Library/Mail/V2/IMAP-shaneblyth@imap.gmail.com/[Gmail].mbox/All Mail.mbox/EA638E87-0B07-4266-BAE1-49848200DE71/Data/6/3/Messages/36417.emlx</string>
         <key>Result</key>
         <string>Clean</string>
      </dict>
      <dict>
         <key>Info</key>
         <string>JS:Redirector-RU [Trj]</string>
         <key>Path</key>
         <string>/Users/MBAir/Library/Mail/V2/IMAP-shaneblyth@imap.gmail.com/[Gmail].mbox/Important.mbox/EA638E87-0B07-4266-BAE1-49848200DE71/Data/6/3/Attachments/36389/2/qmlmev.html</string>
         <key>Result</key>
         <string>Infection</string>
      </dict>
      <dict>
         <key>Depth</key>
         <integer>1</integer>
         <key>Info</key>
         <string>JS:Redirector-RU [Trj]</string>
         <key>Path</key>
         <string>/Users/MBAir/Library/Mail/V2/IMAP-shaneblyth@imap.gmail.com/[Gmail].mbox/Important.mbox/EA638E87-0B07-4266-BAE1-49848200DE71/Data/6/3/Messages/36389.emlx|&gt;qmlmev.html#351714014</string>
         <key>Result</key>
         <string>Infection</string>
      </dict>
      <dict>
         <key>Path</key>
         <string>/Users/MBAir/Library/Mail/V2/IMAP-shaneblyth@imap.gmail.com/[Gmail].mbox/Important.mbox/EA638E87-0B07-4266-BAE1-49848200DE71/Data/6/3/Messages/36389.emlx</string>