Gauss is a banking Trojan targeting Windows machines in the Middle East. It steals data such as system and network information, browser cookies, passwords and more. The tool, called oclGaussCrack, accelerates the process of calculating the hash value of Gauss known cipher scheme. It speeds up significantly work on the has carrying out 489,000 calculations per second on an AMD Radeon HD 7970 card, more than 30 times faster than an AMD FX 8120 CPU.
Source: https://threatpost.com/tool-aids-cracking-mysterious-gauss-malware-encryption-123112/77353/