Is 0xC000007B a virus?

No. This is a software compatibility error, not malware.

How do I fix 0xC000007B?

Install both x64 and x86 versions of Visual C++ Redistributable from microsoft.com, then reinstall the affected application.

Windows error 0xC000007B means a 32-bit/64-bit DLL conflict prevented the app from starting. Install Visual C++ redistributables to fix it.

Is 0xC000007B a virus?: No. This is a software compatibility error, not malware.
How do I fix 0xC000007B?: Install both x64 and x86 versions of Visual C++ Redistributable from microsoft.com, then reinstall the affected application.