SS AGE ▁OF ▁P E ACE ▁to ▁all ▁Mac int osh ▁users ▁around ▁the ▁world ", ▁and ▁the ▁virus ▁would ▁then ▁delete ▁itself . ▁According ▁to ▁the ▁virus ▁itself , ▁it ▁was ▁written ▁by ▁D rew ▁David son . ▁The ▁virus ▁was ▁a ▁boot ▁sector ▁virus , ▁which ▁was ▁spread ▁in ▁the ▁form ▁of ▁a ▁Hyper Card ▁stack ▁called ▁" New ▁Apple ▁Product s ," ▁which ▁contained ▁very ▁poor ▁pictures ▁of ▁the ▁then - new ▁Apple ▁sc anner . ▁It ▁copied ▁a ▁resource ▁into ▁the ▁System ▁folder ▁on ▁a ▁Mac , ▁as ▁an ▁" initial " ▁program , ▁which ▁would ▁run ▁automatically ▁every ▁time ▁the ▁system ▁started ▁up . ▁The ▁program ▁then ▁copied ▁itself ▁onto ▁any ▁boot able ▁disk ▁which ▁was ▁opened . ▁ ▁Dam age ▁caused ▁Brand ow ▁intended ▁the ▁virus ▁to ▁be ▁ben ign , ▁giving ▁a ▁friendly ▁message ▁and ▁causing ▁no ▁harm . ▁However ▁a ▁bug ▁in ▁the ▁virus ▁caused ▁inf ected ▁Mac ▁II ▁computers ▁to ▁under go ▁system ▁crashes ▁before ▁this ▁date . ▁Another ▁bug , ▁which ▁affected ▁very ▁few ▁users , ▁caused ▁files ▁other ▁than ▁the ▁original ▁virus ▁to ▁be ▁deleted ▁during ▁the ▁term ination ▁stage . ▁It ▁also ▁caused ▁a ▁great ▁deal ▁of ▁anx iety ▁among ▁users ▁who ▁found ▁that ▁their ▁computers ▁were ▁inf ected ▁with ▁an ▁unw anted ▁program ▁the ▁nature ▁of ▁which ▁was ▁unknown . ▁The ▁virus ▁inf ected ▁Ald us ▁software ' s ▁Free Hand , ▁and ▁Ald us ▁had ▁to ▁recall ▁thousands ▁of ▁copies ▁of ▁Free Hand , ▁leading ▁them ▁to ▁threaten ▁legal