Should I block it?
No, this file is 100% safe to run.
 
Relationships
     
    
        rc4mon64.dll
RC4MON by RICOH CO.,Ltd
| Version: | 4, 0, 5, 1 | 
| MD5: | 53f615895e28c0b6cadf826f9640b646 | 
| SHA1: | 96b36fa3afca5d8dcd7832ba924e739b7fb42945 | 
Overview
rc4mon64.dll is loaded as dynamic link library that runs in the context of a process. This particular version is usually found on Windows 8.1 Single Language (6.2.9200.0).
 Details
Details
| File name: | rc4mon64.dll | 
| Publisher: | RICOH CO.,Ltd. | 
| Product name: | RC4MON | 
| Description: | RICOH BIDI Language Monitor | 
| Typical file path: | C:\Windows\System32\rc4mon64.dll | 
| File version: | 4, 0, 5, 1 | 
| Size: | 25.5 KB (26,112 bytes) | 
| Build date: | 5/11/2007 9:43 AM | 
| Digital DNA | 
| File packed: | No | 
| .NET CLR: | No | 
More details
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 8.1 Single Language | 100.00% |  |