Mycoviruses are widespread in all major fungal groups and most of these cause little or no obvious symptoms in their fungal hosts. Mycoviruses particles were recorded since 1970s period. Many fungi like filamentous fungi like Fusarium spp. and mushroom Lentinula edodes infected by many types of viral particles but they were not regarded as causal agents for mushroom diseases. In this study, the dsRNA genome of a mycovirus recently found in dermatophyte and non-dermatophyte fungi and their molecular structure was characterized. Genomic DNA of 180 isolates of Candida albicans and Trichophytone rubrum was extracted and electrophoresis through agarose gel. The results showed that many types of viral genomic DNA were detected, The Partitiviridea and Reoviridea genome of were obtained. In conclusion we observed that many filamentous fungi carried viral particles in their culture without any plaques as a lysogenic form of mycophage.