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The Probert Encyclopaedia of Computer Viruses

L-993 VIRUS

The L-993 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research L-993 Virus

L1 VIRUS

The L1 Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts data files.
Research L1 Virus

LABEL VIRUS

The Label Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Label Virus

LAMER

Lamer is a network backdoor Trojan that communicates through port 13000.
Research Lamer

LAMER KILLER

Lamer killer is a network backdoor Trojan that communicates through port 2567.
Research Lamer killer

LAMER VARIATION

Lamer variation is a network backdoor Trojan that communicates through port 5571.
Research Lamer variation

LAMER VIRUS

The Lamer Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research Lamer Virus

LAMER FTP

Lamer FTP is a network backdoor Trojan that communicates through port 21.
Research Lamer FTP

LAMER SMTP

Lamer SMTP is a network backdoor Trojan that communicates through port 25.
Research Lamer SMTP

LANC VIRUS

The Lanc Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts data files.
Research Lanc Virus

LANC5476 VIRUS

The Lanc5476 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts data files.
Research Lanc5476 Virus

LANC5882 VIRUS

The Lanc5882 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts data files.
Research Lanc5882 Virus

LARRY VIRUS

The Larry Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research Larry Virus

LARVA

Larva is a network backdoor Trojan that communicates through port 21.
Research Larva

LAZY VIRUS

The Lazy Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Lazy Virus

LCV VIRUS

The LCV Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files.
Research LCV Virus

LEAPFROG VIRUS

The Leapfrog Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files and data files.
Research Leapfrog Virus

LEECH VIRUS

The Leech Virus is an encrypted computer virus which uses stealth techniques to avoid detection and which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
Research Leech Virus

LEHIGH VIRUS

The Lehigh Virus is a computer virus The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files.
Research Lehigh Virus

LEPER AOD VIRUS

The Leper AOD Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Leper AOD Virus

LEPRO-B1 VIRUS

The Lepro-B1 Virus is a computer virus which infects .COM and .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Lepro-B1 Virus

LEPROSY VIRUS

The Leprosy Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer' s runtime operation, corrupts program or overlay files. You can often spot a Leprosy virus infection by small .COM files increasing in length to 666 bytes.
Research Leprosy Virus

LEPROSY-3 VIRUS

The Leprosy-3 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research Leprosy-3 Virus

LEPROSY-B VIRUS

The Leprosy-B Virus is an encrypted (using a simple XOR loop) computer virus which infects .COM and . EXE files including COMMAND.COM. The virus was written by PCM2 in August 1990. It is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research Leprosy-B Virus

LES VIRUS

The Les Virus is a computer virus which infects .COM files including COMMAND. COM. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research Les Virus

LIB1172 VIRUS

The Lib1172 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research Lib1172 Virus

LIBERTY VIRUS

The Liberty Virus is a computer virus which infects .COM, .EXE and overlay files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer' s runtime operation and corrupts program or overlay files.
Research Liberty Virus

LIQUID CODE - 2 VIRUS

The Liquid Code - 2 Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Liquid Code - 2 Virus

LIQUID CODE VIRUS

The Liquid Code Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research Liquid Code Virus

LISBON VIRUS

The Lisbon Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Lisbon Virus

LITTLE BROTHER 299 VIRUS

The Little Brother 299 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program.
Research Little Brother 299 Virus

LITTLE BROTHER 349 VIRUS

The Little Brother 349 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research Little Brother 349 Virus

LITTLE BROTHER 361 VIRUS

The Little Brother 361 Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research Little Brother 361 Virus

LITTLE BROTHER VIRUS

The Little Brother Virus is a companion computer virus . The virus is loaded into memory by executing a shadowed program, and apart from writing itself as a.COM companion to the intended victim and renaming the original file to. EXE the virus doesn't do anything.
Research Little Brother Virus

LITTLE GIRL VIRUS

The Little Girl Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
Research Little Girl Virus

LITTLE PIECES VIRUS

The Little Pieces Virus is a computer virus which infects .COM and .EXE files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Little Pieces Virus

LITTLE VIRUS

The Little Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Little Virus

LIXONUKE VIRUS

The LixoNuke Virus is a computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files and data files.
Research LixoNuke Virus

LOA DUONG VIRUS

The Loa Duong Virus is a computer virus which infects the fixed disk partition table. The virus is loaded into memory by booting from an infected disk and then affects the computer's runtime operation, corrupts program or overlay files.
Research Loa Duong Virus

LOCKJAW VIRUS

The LockJaw Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research LockJaw Virus

LOCKS VIRUS

The Locks Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Locks Virus

LOCKZ VIRUS

The Lockz Virus is a computer virus which infects the fixed disk and diskette boot sectors . The virus is loaded into memory by booting from an infected disk and then affects the computer's runtime operation and corrupts program or overlay files.
Research Lockz Virus

LOGGED

Logged is a network backdoor Trojan that communicates through port 20203.
Research Logged

LOGIC BOMB

A logic bomb is computer code which will trigger a particular form of ' attack' when a designated condition is met. For instance, a logic bomb could delete all files on December the 5th. Unlike a virus, a logic bomb does not make copies of itself.
Research Logic Bomb

LOREN VIRUS

The Loren Virus is an encrypted computer virus which uses stealth techniques to avoid detection and which infects .COM and .EXE files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files.
Research Loren Virus

LOVE CHILD 2710 VIRUS

The Love Child 2710 Virus is a computer virus which uses stealth techniques to avoid detection and which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Love Child 2710 Virus

LOVE CHILD VIRUS

The Love Child Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts data files.
Research Love Child Virus

LOVELETTER

The LoveLetter worm (also known as Lovebug, I-Worm.Loveletter and ILOVEYOU) is a VBScript worm. It spreads through email as a chain letter. The worm uses the Outlook e-mail application to spread.
LoveLetter is also a overwriting VBS virus, and it spreads itself using mIRC client as well. The worm uses Outlook to mass mail itself to everyone in each address book. The message that it sends will be as follows: Subject: ILOVEYOU Body: kindly check the attached LOVELETTER coming from me. Attachment: LOVE-LETTER-FOR-YOU.TXT.vbs
LoveLetter sends the mail once to each recipient. After a mail has been sent, it adds a marker to the registry and does not mass mail itself any more.
Research LoveLetter

LOVGATE

Lovgate is a series of prolific memory resident Internet Worms written in Visual C++ that propagate through Microsoft Outlook email and also through Microsoft networks by copying itself to shared folders on the network. The
Lovgate worms propagate through email by replying automatically to all emails received by Outlook or Outlook express on an infected computer. The Lovgate worms also provide backdoor access to infected computers, allowing a hacker to gain access to the computer. The Lovgate worms only run on computers using the Windows 2000, Windows NT or Windows XP operating system.
Research Lovgate

LOZINSKY VIRUS

The Lozinsky Virus is a computer virus which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files and data files.
Research Lozinsky Virus

LPT-OFF VIRUS

The LPT-OFF Virus is a computer virus which uses stealth techniques to avoid detection and which infects .COM files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research LPT-OFF Virus

LTASOURCE

LtaSource is a network backdoor Trojan that communicates through port 6683.
Research LtaSource

LUCA-309 VIRUS

The Luca-309 Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Luca-309 Virus

LUCIFER VIRUS

The Lucifer Virus is a computer virus which uses stealth techniques to avoid detection and which infects .COM, .EXE and overlay files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation, corrupts program or overlay files and data files.
Research Lucifer Virus

LYCEE VIRUS

The Lycee Virus is a computer virus which uses stealth techniques to avoid detection and which infects .COM, . EXE and overlay files including COMMAND. COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files and data files.
Research Lycee Virus

LYCEE-1888 VIRUS

The Lycee-1888 Virus is a computer virus which infects .COM and .EXE files including COMMAND.COM. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research Lycee-1888 Virus

LZ 2 VIRUS

The LZ 2 Virus is an encrypted computer virus which infects .EXE files. The virus is loaded into memory by executing an infected program. The virus corrupts program or overlay files.
Research LZ 2 Virus

LZ VIRUS

The LZ Virus is a computer virus which infects .COM files. The virus is loaded into memory by executing an infected program and then affects the computer's runtime operation and corrupts program or overlay files.
Research LZ Virus

 
Your host - Matt Probert

The Probert Encyclopaedia was designed, edited and programed by Matt and Leela Probert

©1993 - 2009 The Probert Encyclopaedia

Southampton, United Kingdom

 
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