Susp_Dropper (Kaspersky), LooksLike.Win32.Malware!B (v) (VIPRE), Email-Worm.Win32.LoveLetter!IK (Emsisoft), Virus.Win32.Duel.FD, GenericEmailWorm.YR, GenericIRCBot.YR (Lavasoft MAS)Behaviour: Worm, Email-Worm, EmailWorm, Virus, IRCBot
The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.
Summary
MD5: 37f3a343ed57e5b4b5b6b46eacab2439
SHA1: cc72bd18feda8bf75fd5edf7f066196d3c5ba4ea
SHA256: 6423a4db18b632e5a021b481f0dafd19d29805d474a22f968c110253a05318d8
SSDeep: 768:HMi7Rx36GCmUW6yCfyn7nr1PDCWAXQziG2:skRxKGC0w67nrIWtz
Size: 55808 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2023-05-29 03:41:14
Analyzed on: WindowsXP SP3 32-bit
Summary: Virus. A program that recursively replicates a possibly evolved copy of itself.
Dynamic Analysis
Payload
Behaviour | Description |
---|---|
EmailWorm | Worm can send e-mails. |
IRCBot | A bot can communicate with command and control servers via IRC channel. |
Process activity
The Virus creates the following process(es):
dwwin.exe:468
%original file name%.exe:464
The Virus injects its code into the following process(es):No processes have been created.
File activity
The process dwwin.exe:468 makes changes in the file system.
The Virus creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\132648.dmp (66689 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
The process %original file name%.exe:464 makes changes in the file system.
The Virus creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Templates\excel.xls (666 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\1ed5_appcompat.txt (6214 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\yaibyqyaj.qia (55 bytes)
D:\rabriazzz.ari (55 bytes)
%WinDir%\xwrm.exe (55 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\qjjrrzqyj.aaaqyaj.qia (55 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\jzyaqr.zrzy.jir (55 bytes)
Registry activity
The process dwwin.exe:468 makes changes in the system registry.
The Virus creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "7B C8 30 4A ED B6 FA 1C 47 DF 2E C6 83 EE BA C6"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cookies" = "%Documents and Settings%\%current user%\Cookies"
[HKLM\System\CurrentControlSet\Hardware Profiles\0001\Software\Microsoft\windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache2"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"MigrateProxy" = "1"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path1]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"History" = "%Documents and Settings%\%current user%\Local Settings\History"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Directory" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"CacheLimit" = "65452"
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache4"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path3]
"CachePath" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\Cache3"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths]
"Paths" = "4"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"AppData" = "%Documents and Settings%\%current user%\Application Data"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "3C 00 00 00 16 00 00 00 01 00 00 00 00 00 00 00"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Cache" = "%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path2]
"CacheLimit" = "65452"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Personal" = "%Documents and Settings%\%current user%\My Documents"
Proxy settings are disabled:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"
The Virus deletes the following value(s) in system registry:
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"AutoConfigURL"
"ProxyServer"
"ProxyOverride"
The process %original file name%.exe:464 makes changes in the system registry.
The Virus creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Virus adds the following link to its file to the system registry autorun key:
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"x32x" = "%WinDir%\xwrm.exe"
The Virus deletes the following registry key(s):
[HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting\DW]
The Virus deletes the following value(s) in system registry:
[HKLM\SOFTWARE\Microsoft\PCHealth\ErrorReporting\DW]
"DWFileTreeRoot"
Network activity (URLs)
No activity has been detected.
HOSTS file anomalies
No changes have been detected.
Rootkit activity
No anomalies have been detected.
Propagation
Removals
Remove it with Ad-Aware
- Click (here) to download and install Ad-Aware Free Antivirus.
- Update the definition files.
- Run a full scan of your computer.
Manual removal*
- Terminate malicious process(es) (How to End a Process With the Task Manager):
dwwin.exe:468
%original file name%.exe:464 - Delete the original Virus file.
- Delete or disinfect the following files created/modified by the Virus:
%Documents and Settings%\%current user%\Local Settings\Temp\132648.dmp (66689 bytes)
%Documents and Settings%\%current user%\Local Settings\Temporary Internet Files\Content.IE5\desktop.ini (67 bytes)
%Documents and Settings%\%current user%\Templates\excel.xls (666 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\1ed5_appcompat.txt (6214 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\yaibyqyaj.qia (55 bytes)
D:\rabriazzz.ari (55 bytes)
%WinDir%\xwrm.exe (55 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\qjjrrzqyj.aaaqyaj.qia (55 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\jzyaqr.zrzy.jir (55 bytes) - Delete the following value(s) in the autorun key (How to Work with System Registry):
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
"x32x" = "%WinDir%\xwrm.exe"