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SCA will not harm disks per se, but spreads to any write-enabled floppies inserted. If they use custom bootblocks (such as games), they are rendered unusable. SCA also checksums as an original filesystem (OFS) bootblock, hence destroying newer filesystems if the user doesn't know the proper use of
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The "Mega-Mighty SCA" produced the first Amiga virus checker which killed the SCA virus. This may well have been in response to estimates that approximately 40% of all Amiga users had SCA in their disk collection somewhere, due to rampant piracy and floppy disk sharing.
82:"SCA" is an acronym for the Swiss Cracking Association, a group engaged in software protection removal, so the geographic origin of the virus was Switzerland. The virus is probably authored by an SCA member known as "CHRIS".
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and one of the first to gain public notoriety. It appeared in
November 1987. The SCA virus is a boot sector virus. It features a line of text that appears at every 15th copy after a warm reboot:
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Other authors inspired by the harmless SCA virus would later produce more destructive viruses known as the
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Some of your disks are infected by a VIRUS !!! Another masterpiece of The Mega-Mighty SCA !!
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the "install" command to remove SCA ("install df0: FFS FORCE" to recover a 'fast filesystem' floppy).
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and the subsequent computer game with the line "Something wonderful has happened... No. 5 is alive."
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Something wonderful has happened Your AMIGA is alive !!! and, even better...
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The first line of the infection message refers to the 1986 movie
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67:virus is the first computer virus created for the
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184:at Virus Help Team, Amiga Virus Encyclopedia
205:— "got papers?" historical research project
190:at the now defunct Amiga Virus Encyclopedia
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124:The Future Was Here: The Commodore Amiga
121:Maher, Jimmy (2012-04-13). "The Scene".
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157:Info magazine description of the virus
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168:Swiss Cracking Association's homepage
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193:Swiss Cracking Association Archive,
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127:. MIT Press. pp. 171–178.
147:Mark R. Brown (January 1988).
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175:in the amiga archive of the
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16:First Amiga computer virus
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97:and the Byte Warrior.
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188:SCA-Virus description
182:SCA-Virus description
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409:Hacking in the 1980s
239:Hacking in the 1980s
323:Christmas Tree EXEC
348:Lamer Exterminator
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177:Virus Test Center
134:978-0-262-30074-2
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47:Technical details
41:boot sector virus
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333:Father Christmas
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173:SCA Virus entry
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250:← —
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162:External links
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31:computer virus
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404:Amiga viruses
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102:Short Circuit
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280:The Analyzer
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353:Morris worm
313:Byte Bandit
285:Markus Hess
272:Individuals
95:Byte Bandit
398:Categories
328:Elk Cloner
108:References
383:WANK Worm
358:Ping-Pong
343:Jerusalem
338:Ghostball
254:Timeline
149:"Virus!"
52:Platform
318:Cascade
295:Malware
37:Subtype
378:Virdem
373:Stoned
368:Scores
203:Part 3
199:Part 2
195:Part 1
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308:Brain
259:1990s
155:(18).
69:Amiga
56:Amiga
303:1260
153:Info
129:ISBN
63:The
27:Type
363:SCA
65:SCA
22:SCA
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232:e
225:t
218:v
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