Try this. Go to tools > internet Options > Advanced > Accelerated Graphics > Use software rendering instead of GPU rendering. That's assuming that you can access the tool/cog item at top right of internet explorer. If not. Try doing a system restore in safe mode. Very unlikely that this is caused by a virus.
Qualcomm Snapdragon 835 benchmarks: Antutu, Geekbench 4, GFXBench and PCMark results