stealth virus meaning in Hindi

Examples

1. Stealth viruses avoid detection by hiding in a computer's memory.
2. :: well, Im not able to open registry editor, which indicates that I have picked up some stealth virus, Im running Norton anti-virus software, as I know the stealth virus hides itself from anti-virus softwares.
3. :: well, Im not able to open registry editor, which indicates that I have picked up some stealth virus, Im running Norton anti-virus software, as I know the stealth virus hides itself from anti-virus softwares.
4. My PC has picked up a stealth virus, I formated it, but the virus is still there, just wondering if hard disk cleanup will do any good, and what might I loose if I did so.
5. "One panelist cited the possibility of a stealth virus attack that could cripple a large portion of people in their forties with severe arthritis, concealing its hostile origin and leaving a country with massive health and economic problems, " the report says.