Virus.Win32.Duel_04b6b4ef07
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.
MD5: 04b6b4ef075722ad8982cf2b9b685488
SHA1: 983f6f291cee5eb4801fcf02ae5e4495b95bf522
SHA256: 0cde5c190488c24ead966154a8d0047b9626c16251a7f0921e682e6fb19be6b9
SSDeep: 768:anMSp72iGXXF7DDes/Ig7pDea0xvHujLDUxbEQBwRa/:anhpqXF7Dd/Ig7IpWITw
Size: 43008 bytes
File type: EXE
Platform: WIN32
Entropy: Not Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: no data
Summary:
Virus. A program that recursively replicates a possibly evolved copy of itself.
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:376
04b6b4ef075722ad8982cf2b9b685488.exe:864
jrrzqyjaa.ari:180
jrrzqyjaa.ari:624
File activity
The process dwwin.exe:376 makes changes in a file system.
The Virus creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\8171B.dmp (78272 bytes)
The process 04b6b4ef075722ad8982cf2b9b685488.exe:864 makes changes in a file system.
The Virus creates and/or writes to the following file(s):
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\ibyqyajqi.aqj (43 bytes)
%Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\briazzzar.ibyzy.iyazzar.iby (43 bytes)
%Program Files%\Wireshark\zarrrziii.rrq (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\177d_appcompat.txt (6214 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\qabijrazy.iyazzar.iby (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\ibyqyajqi.aqj (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\ibyqyajqi.aqj (43 bytes)
%Program Files%\Wireshark\jyzbzbyqq.jby (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jrrzqyjaa.ari (43 bytes)
%Program Files%\WinPcap\jzbyjayay.arajby (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\zarrrziii.rrq (43 bytes)
%Program Files%\Opera\updatechecker\yrabrrara.rqq (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\yrabrrara.rqq (43 bytes)
D:\jyzbzbyqq.jby (43 bytes)
C:\Perl\bin\zarrrziii.rrq (43 bytes)
%WinDir%\Microsoft.NET\Framework\zarrrziii.rrq (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jyzbzbyqq.jby (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jzbyjayay.ara (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\yrabrrara.rqq (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\yqaazj.rzyb.ryy (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\briazzzar.iby (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jzbyjayay.ara (43 bytes)
%Program Files%\Windows NT\jyzbzbyqq.jby (43 bytes)
C:\totalcmd\zarrrziii.rrq (43 bytes)
%Program Files%\Wireshark\yrabrrara.rqq (43 bytes)
%Program Files%\Wireshark\ibyqyajqi.aqj (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\briazzzar.iby (43 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\jzbyjayay.ara (43 bytes)
C:\Perl\bin\yrabrrara.rqq (43 bytes)
%WinDir%\xwrm.exe (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\zarrrziii.rrq (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jyzbzbyqq.jby (43 bytes)
%Program Files%\Wireshark\qabijrazy.iya (43 bytes)
%WinDir%\Network Diagnostic\jyzbzbyqq.jby (43 bytes)
C:\Perl\bin\jyzbzbyqq.jby (43 bytes)
C:\totalcmd\jzbyjayay.ara (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\briazzzar.iby (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\qabijrazy.iya (43 bytes)
%Program Files%\Wireshark\jrrzqyjaa.ari (43 bytes)
%Program Files%\Common Files\Adobe\Updater6\jyzbzbyqq.jby (43 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\briazzzar.iby (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\jrrzqyjaa.ari (43 bytes)
C:\totalcmd\jrrzqyjaa.ari (43 bytes)
The process jrrzqyjaa.ari:180 makes changes in a file system.
The Virus creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\qraiyy.rarb.ryy (43 bytes)
The process jrrzqyjaa.ari:624 makes changes in a file system.
The Virus creates and/or writes to the following file(s):
%Documents and Settings%\%current user%\Local Settings\Temp\azabri.zzyb.ryy (43 bytes)
Registry activity
The process dwwin.exe:376 makes changes in a system registry.
The Virus creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "A1 EE 5D 6C 05 49 A4 F1 68 1F DF 4E FF 8E 88 E2"
[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"
[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Cache\Paths\path4]
"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 1B 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"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer"
[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"
The process 04b6b4ef075722ad8982cf2b9b685488.exe:864 makes changes in a system registry.
The Virus creates and/or sets the following values in system registry:
[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "88 65 93 92 5C 63 5D 9A 91 2D A1 CC CC C7 03 A0"
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.
Rootkit activity
No anomalies have been detected.
Propagation
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:376
04b6b4ef075722ad8982cf2b9b685488.exe:864
jrrzqyjaa.ari:180
jrrzqyjaa.ari:624 - Delete the original Virus file.
- Delete or disinfect the following files created/modified by the Virus:
%Documents and Settings%\%current user%\Local Settings\Temp\8171B.dmp (78272 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\ibyqyajqi.aqj (43 bytes)
%Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\briazzzar.ibyzy.iyazzar.iby (43 bytes)
%Program Files%\Wireshark\zarrrziii.rrq (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\177d_appcompat.txt (6214 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\qabijrazy.iyazzar.iby (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\ibyqyajqi.aqj (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\ibyqyajqi.aqj (43 bytes)
%Program Files%\Wireshark\jyzbzbyqq.jby (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jrrzqyjaa.ari (43 bytes)
%Program Files%\WinPcap\jzbyjayay.arajby (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\zarrrziii.rrq (43 bytes)
%Program Files%\Opera\updatechecker\yrabrrara.rqq (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\yrabrrara.rqq (43 bytes)
D:\jyzbzbyqq.jby (43 bytes)
C:\Perl\bin\zarrrziii.rrq (43 bytes)
%WinDir%\Microsoft.NET\Framework\zarrrziii.rrq (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jyzbzbyqq.jby (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jzbyjayay.ara (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\yrabrrara.rqq (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\yqaazj.rzyb.ryy (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\briazzzar.iby (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\jzbyjayay.ara (43 bytes)
%Program Files%\Windows NT\jyzbzbyqq.jby (43 bytes)
C:\totalcmd\zarrrziii.rrq (43 bytes)
%Program Files%\Wireshark\yrabrrara.rqq (43 bytes)
%Program Files%\Wireshark\ibyqyajqi.aqj (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\briazzzar.iby (43 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\jzbyjayay.ara (43 bytes)
C:\Perl\bin\yrabrrara.rqq (43 bytes)
%WinDir%\xwrm.exe (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\zarrrziii.rrq (43 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\jyzbzbyqq.jby (43 bytes)
%Program Files%\Wireshark\qabijrazy.iya (43 bytes)
%WinDir%\Network Diagnostic\jyzbzbyqq.jby (43 bytes)
C:\Perl\bin\jyzbzbyqq.jby (43 bytes)
C:\totalcmd\jzbyjayay.ara (43 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\briazzzar.iby (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\qabijrazy.iya (43 bytes)
%Program Files%\Wireshark\jrrzqyjaa.ari (43 bytes)
%Program Files%\Common Files\Adobe\Updater6\jyzbzbyqq.jby (43 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\briazzzar.iby (43 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\jrrzqyjaa.ari (43 bytes)
C:\totalcmd\jrrzqyjaa.ari (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\qraiyy.rarb.ryy (43 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\azabri.zzyb.ryy (43 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"
*Manual removal may cause unexpected system behaviour and should be performed at your own risk.
