How do i delete JS/DwnLdr-MON?

Viruses and worms
1

JS/DwnLdr-MON is detected by my antivirus as a Trojan horse, but it fails to delete it. I need ways to get rid of it soon.

2

Attach your basic diagnostic logs. (MBAM, FRST and aswMBR)
Instructions: https://forum.avast.com/index.php?topic=53253.0