| Virus
Name: |
W95.CIH |
| Aliases: |
CIH-10xx, CIH.Spacefiller,
CIH |
| Type: |
Windows 95 executable
infecting virus |
| Resident: |
Yes |
| Stealth: |
No, although infected
files do not grow in size |
| Trigger: |
April
26th, with variants which trigger on June 26th or the 26th of
any month. |
| Payload: |
Tries
to overwrite the Flash BIOS, and then overwrites the hard disk. |
| Comments: |
The CIH virus represents a new
type of threat. It is able to overwrite the BIOS on certain
computers, necessitating replacement of the BIOS chip.
It was first reported in June
1998, and has been widely reported in-the-wild.
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