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Virus.Win32.Duel_78a19a592f


Susp_Dropper (Kaspersky), LooksLike.Win32.Malware!B (v) (VIPRE), Email-Worm.Win32.Brontok!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: 78a19a592fd7b6cbb522be9adc9cd03e

SHA1: e50b9f17af4511e57bccdfd98c11b843edb8ebea

SHA256: 5a5ac3926ef690a48575e8fc50022b0475de8e0c5de64627323b527eb8ff9ddc

SSDeep: 384:Jiv/7kcgz4yqPeHWuz9XtQvjh1TPIOW3gsiwsM8ErqO4LDkZ5LWNco9sExOFdD a:JivAcoqPe2k9XtQpO8YZ5bsuK4sVG62

Size: 52736 bytes

File type: EXE

Platform: WIN32

Entropy: Not Packed

PEID: UPolyXv05_v6

Company: no certificate found

Created at: 2026-04-20 05:49:08

Summary: Virus. A program that recursively replicates a possibly evolved copy of itself.

Dynamic Analysis

Payload

Behaviour Description
EmailWormWorm can send e-mails.
IRCBotA bot can communicate with command and control servers via IRC channel.


Process activity

The Virus creates the following process(es):

rabrrarar.qqj:1132
rabrrarar.qqj:892
%original file name%.exe:1508

File activity

The process rabrrarar.qqj:1132 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\arizzy.jazb.iyj (52 bytes)

The process rabrrarar.qqj:892 makes changes in the file system.


The Virus creates and/or writes to the following file(s):

%Program Files%\Outlook Express\zbzbyqqjb.yjzqiaq.jjr (52 bytes)
%Program Files%\MSN Gaming Zone\Windows\bijrazyiy.aibz (52 bytes)
%WinDir%\ime\imjp8_1\abrrararq.qjy (52 bytes)
%WinDir%\ime\imkr6_1\iazzzarib.yqa (52 bytes)
%Program Files%\Outlook Express\yqyajqiaq.jjrqiaq.jjr (52 bytes)
%Program Files%\MSN Gaming Zone\Windows\iazzzarib.yqaz (52 bytes)
%Program Files%\NetMeeting\rrrziiirr.qyryqyajqiaq.jjr (52 bytes)
%Program Files%\Windows NT\Accessories\zbzbyqqjb.yjzr (52 bytes)
%Program Files%\Windows Media Player\rzqyjaaar.izajjr (52 bytes)
%WinDir%\ime\imjp8_1\rrrziiirr.qyr (52 bytes)
%Program Files%\Wireshark\bijrazyiy.aibyayar.abr.yjzr (52 bytes)
%WinDir%\iazzzarib.yqa.abr (52 bytes)
%Program Files%\MSN Gaming Zone\Windows\yqyajqiaq.jjr (52 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\zqrrzr.jaib.iyj (52 bytes)
%Program Files%\Outlook Express\byjayayar.abrqiaq.jjr (52 bytes)
%Program Files%\NetMeeting\rzqyjaaar.izayqyajqiaq.jjr (52 bytes)
%Program Files%\MSN Gaming Zone\Windows\byjayayar.abrz (52 bytes)
%WinDir%\ime\imjp8_1\byjayayar.abr (52 bytes)
%Program Files%\NetMeeting\abrrararq.qjyyqyajqiaq.jjr (52 bytes)
%WinDir%\pchealth\helpctr\binaries\rrrziiirr.qyr (52 bytes)
%WinDir%\ime\imjp8_1\bijrazyiy.aib (52 bytes)
%Program Files%\Common Files\Microsoft Shared\MSInfo\rrrziiirr.qyr (52 bytes)
%WinDir%\ime\imjp8_1\rzqyjaaar.iza (52 bytes)
%Program Files%\Windows Media Player\abrrararq.qjy (52 bytes)
%Program Files%\Windows Media Player\rrrziiirr.qyr (52 bytes)
%WinDir%\ime\imjp8_1\zbzbyqqjb.yjz (52 bytes)
%WinDir%\ime\imjp8_1\yqyajqiaq.jjr (52 bytes)
%WinDir%\bijrazyiy.aib (52 bytes)
%Program Files%\Outlook Express\bijrazyiy.aibqiaq.jjr (52 bytes)
%WinDir%\inf\yqyajqiaq.jjr (52 bytes)
%Program Files%\Windows NT\Pinball\byjayayar.abr.yjzr (52 bytes)

The process %original file name%.exe:1508 makes changes in the file system.


The Virus creates and/or writes to the following file(s):

%Program Files%\Common Files\Adobe\ARM\1.0\yzbzbyqqj.byj (52 bytes)
%Program Files%\Wireshark\zbyjayaya.rab (52 bytes)
%Program Files%\Wireshark\arrrziiir.rqy (52 bytes)
%Program Files%\Wireshark\yzbzbyqqj.byj (52 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\byqyajqia.qjj (52 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\abijrazyi.yai (52 bytes)
C:\totalcmd\abijrazyi.yai (52 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\byqyajqia.qjj (52 bytes)
%Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\byqyajqia.qjjaa.rizjqia.qjj (52 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\riazzzari.byq (52 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\rrzqyjaaa.riz (52 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\arrrziiir.rqy (52 bytes)
%Program Files%\WinPcap\abijrazyi.yaibyq (52 bytes)
%WinDir%\Microsoft.NET\Framework\yzbzbyqqj.byj (52 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\abijrazyi.yai (52 bytes)
C:\Perl\bin\riazzzari.byq (52 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\rabrrarar.qqj (52 bytes)
%Program Files%\Windows NT\riazzzari.byq (52 bytes)
%Program Files%\Common Files\Adobe\Updater6\riazzzari.byq (52 bytes)
%Program Files%\Wireshark\rabrrarar.qqj (52 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\yzbzbyqqj.byj (52 bytes)
%WinDir%\Network Diagnostic\riazzzari.byq (52 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\zbyjayaya.rab (52 bytes)
%Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\rrzqyjaaa.rizjqia.qjj (52 bytes)
%WinDir%\xwrm.exe (52 bytes)
C:\totalcmd\yzbzbyqqj.byj (52 bytes)
%Program Files%\Opera\updatechecker\zbyjayaya.rab (52 bytes)
C:\Perl\bin\zbyjayaya.rab (52 bytes)
D:\riazzzari.byq (52 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\arrrziiir.rqy (52 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\byqyajqia.qjj (52 bytes)
%Program Files%\Wireshark\rrzqyjaaa.riz (52 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\riazzzari.byq (52 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\arrrziiir.rqy (52 bytes)
%WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\zbyjayaya.rab (52 bytes)
%Program Files%\Wireshark\riazzzari.byq (52 bytes)
C:\Perl\bin\yzbzbyqqj.byj (52 bytes)
%Program Files%\Adobe\Reader 9.0\Reader\abijrazyi.yai (52 bytes)
%Documents and Settings%\%current user%\Local Settings\Temp\yiyaiy.jajb.iyj (52 bytes)
%Program Files%\Common Files\Adobe\ARM\1.0\rabrrarar.qqj (52 bytes)
%Program Files%\Common Files\Microsoft Shared\DW\byqyajqia.qjj (52 bytes)
C:\totalcmd\rabrrarar.qqj (52 bytes)

Registry activity

The process rabrrarar.qqj:892 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 process %original file name%.exe:1508 makes changes in the system registry.


The Virus creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "4A CD 3C 0B 5C 70 69 BF 39 ED 67 36 58 DE 2A 7B"

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"

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

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.

Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    rabrrarar.qqj:1132
    rabrrarar.qqj:892
    %original file name%.exe:1508

  2. Delete the original Virus file.
  3. Delete or disinfect the following files created/modified by the Virus:

    %Documents and Settings%\%current user%\Local Settings\Temp\arizzy.jazb.iyj (52 bytes)
    %Program Files%\Outlook Express\zbzbyqqjb.yjzqiaq.jjr (52 bytes)
    %Program Files%\MSN Gaming Zone\Windows\bijrazyiy.aibz (52 bytes)
    %WinDir%\ime\imjp8_1\abrrararq.qjy (52 bytes)
    %WinDir%\ime\imkr6_1\iazzzarib.yqa (52 bytes)
    %Program Files%\Outlook Express\yqyajqiaq.jjrqiaq.jjr (52 bytes)
    %Program Files%\MSN Gaming Zone\Windows\iazzzarib.yqaz (52 bytes)
    %Program Files%\NetMeeting\rrrziiirr.qyryqyajqiaq.jjr (52 bytes)
    %Program Files%\Windows NT\Accessories\zbzbyqqjb.yjzr (52 bytes)
    %Program Files%\Windows Media Player\rzqyjaaar.izajjr (52 bytes)
    %WinDir%\ime\imjp8_1\rrrziiirr.qyr (52 bytes)
    %Program Files%\Wireshark\bijrazyiy.aibyayar.abr.yjzr (52 bytes)
    %WinDir%\iazzzarib.yqa.abr (52 bytes)
    %Program Files%\MSN Gaming Zone\Windows\yqyajqiaq.jjr (52 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\zqrrzr.jaib.iyj (52 bytes)
    %Program Files%\Outlook Express\byjayayar.abrqiaq.jjr (52 bytes)
    %Program Files%\NetMeeting\rzqyjaaar.izayqyajqiaq.jjr (52 bytes)
    %Program Files%\MSN Gaming Zone\Windows\byjayayar.abrz (52 bytes)
    %WinDir%\ime\imjp8_1\byjayayar.abr (52 bytes)
    %Program Files%\NetMeeting\abrrararq.qjyyqyajqiaq.jjr (52 bytes)
    %WinDir%\pchealth\helpctr\binaries\rrrziiirr.qyr (52 bytes)
    %WinDir%\ime\imjp8_1\bijrazyiy.aib (52 bytes)
    %Program Files%\Common Files\Microsoft Shared\MSInfo\rrrziiirr.qyr (52 bytes)
    %WinDir%\ime\imjp8_1\rzqyjaaar.iza (52 bytes)
    %Program Files%\Windows Media Player\abrrararq.qjy (52 bytes)
    %Program Files%\Windows Media Player\rrrziiirr.qyr (52 bytes)
    %WinDir%\ime\imjp8_1\zbzbyqqjb.yjz (52 bytes)
    %WinDir%\ime\imjp8_1\yqyajqiaq.jjr (52 bytes)
    %WinDir%\bijrazyiy.aib (52 bytes)
    %Program Files%\Outlook Express\bijrazyiy.aibqiaq.jjr (52 bytes)
    %WinDir%\inf\yqyajqiaq.jjr (52 bytes)
    %Program Files%\Windows NT\Pinball\byjayayar.abr.yjzr (52 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\yzbzbyqqj.byj (52 bytes)
    %Program Files%\Wireshark\zbyjayaya.rab (52 bytes)
    %Program Files%\Wireshark\arrrziiir.rqy (52 bytes)
    %Program Files%\Wireshark\yzbzbyqqj.byj (52 bytes)
    %Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\Reader9\byqyajqia.qjj (52 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\abijrazyi.yai (52 bytes)
    C:\totalcmd\abijrazyi.yai (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\byqyajqia.qjj (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A93000000001}\byqyajqia.qjjaa.rizjqia.qjj (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\riazzzari.byq (52 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\rrzqyjaaa.riz (52 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\arrrziiir.rqy (52 bytes)
    %Program Files%\WinPcap\abijrazyi.yaibyq (52 bytes)
    %WinDir%\Microsoft.NET\Framework\yzbzbyqqj.byj (52 bytes)
    %Program Files%\Common Files\Microsoft Shared\DW\abijrazyi.yai (52 bytes)
    C:\Perl\bin\riazzzari.byq (52 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\rabrrarar.qqj (52 bytes)
    %Program Files%\Windows NT\riazzzari.byq (52 bytes)
    %Program Files%\Common Files\Adobe\Updater6\riazzzari.byq (52 bytes)
    %Program Files%\Wireshark\rabrrarar.qqj (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\yzbzbyqqj.byj (52 bytes)
    %WinDir%\Network Diagnostic\riazzzari.byq (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\zbyjayaya.rab (52 bytes)
    %Documents and Settings%\%current user%\Local Settings\Application Data\Adobe\Reader 9.3\Setup Files\rrzqyjaaa.rizjqia.qjj (52 bytes)
    %WinDir%\xwrm.exe (52 bytes)
    C:\totalcmd\yzbzbyqqj.byj (52 bytes)
    %Program Files%\Opera\updatechecker\zbyjayaya.rab (52 bytes)
    C:\Perl\bin\zbyjayaya.rab (52 bytes)
    D:\riazzzari.byq (52 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\arrrziiir.rqy (52 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\byqyajqia.qjj (52 bytes)
    %Program Files%\Wireshark\rrzqyjaaa.riz (52 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\riazzzari.byq (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\arrrziiir.rqy (52 bytes)
    %WinDir%\Installer\$PatchCache$\Managed\68AB67CA7DA73301B7449A0300000010\9.3.0\zbyjayaya.rab (52 bytes)
    %Program Files%\Wireshark\riazzzari.byq (52 bytes)
    C:\Perl\bin\yzbzbyqqj.byj (52 bytes)
    %Program Files%\Adobe\Reader 9.0\Reader\abijrazyi.yai (52 bytes)
    %Documents and Settings%\%current user%\Local Settings\Temp\yiyaiy.jajb.iyj (52 bytes)
    %Program Files%\Common Files\Adobe\ARM\1.0\rabrrarar.qqj (52 bytes)
    %Program Files%\Common Files\Microsoft Shared\DW\byqyajqia.qjj (52 bytes)
    C:\totalcmd\rabrrarar.qqj (52 bytes)

  4. 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.

Static Analysis

Network Activity

Map

Strings from Dumps