https://etc.ethermine.org/

Copy this in start.bat

GPU_FORCE_64BIT_PTR 0
GPU_MAX_HEAP_SIZE 100
GPU_USE_SYNC_OBJECTS 1
GPU_MAX_ALLOC_PERCENT 100
GPU_SINGLE_ALLOC_PERCENT 100

EthDcrMiner64.exe -epool stratum+ssl://eu1-etc.ethermine.org:5555 -ewal YourEthereumClassicAddress.YourWorkerName -allpools 1 -mode 1