I downloaded the version from here https://mega.nz/#F!O4YA2JgD!n2b4iSHQDruEsYUvTQP5_w  this Claymore's Dual Ethereum+Decred_Siacoin_Lbry_Pascal_Blake2s_Keccak AMD+NVIDIA GPU Miner v11.9 - Catalyst 15.12-18.x - CUDA 8.0_9.1_7.5_6.5.zip and checked virustotal - https://www.virustotal.com/#/file/7882a58b5c70961e91494068dfc592a27cc2af7bccbed1e47881ada5cb25b288/detection

Is it normal that so many viruses have found?