How do you make the sounds on the virus wider?

[Timo]

Which plugins are you using?

What sort of sound (and in which genre) are you trying to achieve?

Delays or double-tracking will immediately give you 3D depth. As will phasing, reverb, stereo-width enhancers (but be careful to not lose mono-compatibility).

However, you can achieve a lot by layering different sounds together, per musical part. Like using two Pad sounds, and panning one of them hard Left, and the other hard Right. Or modulating the panning, and/or crossfading them. You need to be creative.

Vibrato is also good, and can be very subtle (if you select a slow vibrato frequency) but add greater depth.

Add lots of modulation to the sound, like modulating the pitch of the oscillators, and the filters, but only subtley, and it'll sound less static.

But layering different sounds is where it's at.