lenovoreg.exe is set to be start when the PC boots and any user logs into Windows (added to the Run registry key for the all users under the local machine). This is typically installed with the program Lenovo Registration published by Lenovo and is usually factory installed by the OEM. The file is digitally signed by Leader Technologies Inc which was issued by the Thawte Consulting (Pty) Ltd. certificate authority (CA). This particular version is usually found on Windows 7 Professional (6.1.7601.65536). Note, some antivirus scanners have flagged this file, however it is not necessarily considered malware (see below for details).