HUGE /Library/Application Support/Avast/config/chest-data: 75GB !

My Avast has a HUGE /Library/Application Support/Avast/config/chest-data

WHy is that? Is that something that can be cleaned up?

vademacumpro2:Avast mathias$ pwd
/Library/Application Support/Avast
vademacumpro2:Avast mathias$ du -s *
0 api.sock
1000 com.avast.helper.app
1064 com.avast.registration.app
23664 components
du: config/CA: Permission denied
du: config/private: Permission denied
156792832 config
8 display-version.tag
248 hub
40 launch
0 scan.sock
0 service.sock
0 submitStorage
434584 update-data
8 variant.tag
8 version.tag
du: vps/submits: Permission denied
441352 vps
vademacumpro2:Avast mathias$ sudo du -s *
Password:
0 api.sock
1000 com.avast.helper.app
1064 com.avast.registration.app
23664 components
156793120 config
8 display-version.tag
248 hub
40 launch
0 scan.sock
0 service.sock
0 submitStorage
434584 update-data
8 variant.tag
8 version.tag
441352 vps
vademacumpro2:Avast mathias$ cd config
vademacumpro2:config mathias$ sudo du -s *
272 CA
16 certs
156791744 chest-data
8 com.avast.crashreport.log
8 com.avast.fileshield.conf
8 com.avast.ga.conf
8 com.avast.prefpane.conf
712 com.avast.proxy.cer
8 com.avast.proxy.conf
8 com.avast.proxy.excl
8 com.avast.proxy.whls
8 com.avast.registration.conf
8 license.dat
16 private
160 service-data

Ah. seems it kept scanning my vmware vmdks and of course found the cirus signatures of the guest os’s own virus scanner install…