SymbOS/PhUnlock
Additional type information.
Date that AVERT discovered this threat.
File size, in bytes, of the threat.
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Date/time this description was published using Pacific Time.
Date/time this description was last modified using Pacific Time.
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Characteristics
This is a Potentially Unwanted Program (PUP) detection. It is not a virus or trojan.
SymbOS/PhUnlock is a tool that resets the Phone Lock on Series 60 phones. Its authors recommend it be used to assist in the installation of malware.
SymbOS/Htool-PhUnlock is distributed as an MDL named “THC-NOKIA-UNLOCK.MDL”. This tool has been designed by The Hacker's Choice(THC) research group.
SymbOS/Htool-PhUnlock is installed manually to the “system\recogs” directory of a memory card.When the memory card is inserted into a phone that has been locked with a Phone Lock code,Htool-PhUnlock resets the code to the default.
Fig 1 - A phone locked with a Phone Lock code.
Fig 2 - Message displayed by SymbOS/PhUnlock
SymbOS/Htool-PhUnlock also resets location information, so that the user must set it again upon the next reboot.
Removal
