Virus.DOS.AlexAndSolo.512 or AlexAndSolo is a non-resident, direct action infector of .COM files that runs on MS-DOS operating system. It was received in July, 1995. Its origin is unknown.
When a program infected with the Alex&Solo virus is executed, this virus will infect the first uninfected .COM file located in the current directory. Also at this time, the virus will infect the copy of COMMAND.COM located in the C: drive root directory if it wasn't previously infected.
Programs infected with this virus will have a file length increase of 512 bytes with the virus being located at the end of the file. The program's date and time in the DOS disk directory listing will have been updated to the current system date and time when infection occurred. The following text string is visible within the viral code in all infected programs:
"Alex & Solo"