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How I cracked Paint Shop Pro 6.02
Protection : Date
Check
Type : Image editing
Crack :
PSP uses simple date check,but real problem is the size of EXE file.
And it is realy hard to find where the date is compared with 30 days trial.
When I used W32 DASM to disassemble this huge file,it crashed my system.
So we will do a simple trick - cut the file from its middle.And disassemble
the first part.Use hex editor WinHex for this.
Now the real problem arises to find the turning point ??
Actualy I traced the program from begining.
In the deep lies a simple check :
0x771C68 CMP ESI,EAX | 3B F0
Now ESI = Holds Count - How many times we used it.
EAX = 0x1E = 30 days
So simple way to crack this will be :
0x771C68 XOR ESI,ESI | 33 F6 >> Clear count
File = psp.exe
Offset = 0x371C68
Animation Shop :
Same protection is used in the case of Animation Shop also.
0x5085A0 CMP ESI,EAX | 3B F0
Now ESI = Holds Count - How many times we used it.
EAX = 0x1E = 30 days
So simple way to crack this will be :
0x5085A0 XOR ESI,ESI | 33 F6 >> Clear count
File = anim.exe
Offset = 0x1085A0