Are these malicious files that keep showing up in avast bootscan?

Viruses and worms
1

C:\Program Files(x86)\Skype\toolbars\Skypetoolbars.msi|>fileIeaddonIconIco. B42772A4__1C26_462F_81FG_13E4A2E8DE85 Error 42127 CAB Archive is corrupted

C:\Program Files(x86)\Skype\toolbars\Skypetoolbars.msi|>fileIeaddonIconIcox64. B42772A4__1C26_462F_81FG_13E4A2E8DE85 Error 42127 CAB Archive is corrupted

C:\Windows\Installer\1078F.msi|>FileIeaddonIconIco.B42772A4__1C26_462F_81FG_13E4A2E8DE85 Error 42127 CAB Archive is corrupted

C:\Windows\Installer\1078F.msi|>FileIeaddonIconIcox64.B42772A4__1C26_462F_81FG_13E4A2E8DE85 Error 42127 CAB Archive is corrupted

the bootscan finishes and says no viruses were found but these 4 can showing up during the scan, are these anything to worry about?

2

These files aren’t malware. “Corrupted” means that if you try to open the file, it won’t work. Even if they were bad, corruption would render them harmless- but they are safe files, so no worries.