W32/Clarbat-Gen

Category: Viruses and Spyware Protection available since:08 Sep 2010 23:04:18 (GMT)
Type: Win32 worm Last Updated:08 Sep 2010 23:04:18 (GMT)
Prevalence: Small Number of Reports

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Examples of W32/Clarbat-Gen include:

Example 1

File Information

Size
51K
SHA-1
003cab4c48f611fd67d228cd2c5e92656ec80494
MD5
ad74dc843bdc3894bff1a25988c63dcf
CRC-32
e928cd6b
File type
application/x-ms-dos-executable
First seen
2010-08-26

Other vendor detection

Avira
TR/Crypt.ZPACK.Gen
Kaspersky
Worm.Win32.AutoRun.bmrz

Runtime Analysis

Copies Itself To
  • C:\Documents and Settings\All Users\Application Data\wmimgmt.exe
Registry Keys Created
  • HKCR\exefile
    NeverShowExt
Registry Keys Modified
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    ShowSuperHidden
    0x00000000
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden
    UncheckedValue
    0x00000000

Example 2

File Information

Size
44K
SHA-1
07ba8b62ee0fedb4fb4ddc6810de2e82a8f6f793
MD5
54612e3a1379039ce3c10d73a0611357
CRC-32
b2c960b0
File type
application/x-ms-dos-executable
First seen
2010-09-06

Other vendor detection

Avira
TR/Crypt.ZPACK.Gen

Runtime Analysis

Copies Itself To
  • C:\Documents and Settings\All Users\Application Data\wmimgmt.exe
  • F:/RECYCLER/wmimgmt.exe
Dropped Files
  • F:/AuToRUn.iNf
  • C:\Documents and Settings\All Users\DRM\Media\A0000043.db
    Size
    3.9K
    SHA-1
    1cc6ff9bdadc84361e2d4678dd93792340ddb013
    MD5
    006395aa5a8e22ceca34c3d55503c072
    CRC-32
    675a6b71
    File type
    application/octet-stream
    First seen
    2010-09-08
  • c:\Documents and Settings\test user\Local Settings\Temp\L4SD\A0000043.db
    Size
    64
    SHA-1
    dc9e4362239f0cf1360699d10930652cf9b6b533
    MD5
    6db6c06f8b49355d00075d3d8958b8dc
    CRC-32
    23d0813e
    File type
    application/octet-stream
    First seen
    2010-09-06
Registry Keys Created
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    wmi32
    C:\Documents and Settings\All Users\Application Data\wmimgmt.exe
Registry Keys Modified
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    ShowSuperHidden
    0x00000000
Processes Created
  • c:\documents and settings\all users\application data\wmimgmt.exe
  • c:\windows\system32\chcp.com
  • c:\windows\system32\cmd.exe
  • c:\windows\system32\findstr.exe
  • c:\windows\system32\net.exe
  • c:\windows\system32\net1.exe
  • c:\windows\system32\systeminfo.exe
  • c:\windows\system32\tasklist.exe
DNS Requests
  • windowsupdate.microsoft.com

Example 3

File Information

Size
58K
SHA-1
091b3698cc4b3a085361e7829b7df9be37cf325d
MD5
eee212a0ca7012bbc286e01093096b9a
CRC-32
f0dae9ad
File type
application/x-ms-dos-executable
First seen
2010-09-08

Runtime Analysis

Copies Itself To
  • C:\Documents and Settings\All Users\Application Data\wmimgmt.exe
  • F:/RECYCLER/wmimgmt.com
Dropped Files
  • C:\Documents and Settings\All Users\DRM\Media\A0000043.db
    Size
    226K
    SHA-1
    ffed0fa7c0e73599a9796a73ba948737cb33156d
    MD5
    e71be1845a34e894fd4f045b4feb3efd
    CRC-32
    97d7f3e6
    File type
    application/octet-stream
    First seen
    2010-09-08
  • F:/RECYCLER/desktop.ini
    Size
    79
    SHA-1
    528b98593d3217598c3aa24b2257dadd38681bee
    MD5
    8a5ba06c9e1c5dc5b280971401518c1c
    CRC-32
    73d5acda
    File type
    application/octet-stream
    First seen
    2010-08-27
  • F:/AuToRUn.iNf
Registry Keys Created
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Run
    wmi32
    C:\Documents and Settings\All Users\Application Data\wmimgmt.exe
Registry Keys Modified
  • HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\Folder\SuperHidden
    UncheckedValue
    0x00000000
  • HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced
    ShowSuperHidden
    0x00000000
Processes Created
  • c:\documents and settings\all users\application data\wmimgmt.exe
  • c:\windows\system32\arp.exe
  • c:\windows\system32\chcp.com
  • c:\windows\system32\cmd.exe
  • c:\windows\system32\find.exe
  • c:\windows\system32\findstr.exe
  • c:\windows\system32\ipconfig.exe
  • c:\windows\system32\nbtstat.exe
  • c:\windows\system32\net.exe
  • c:\windows\system32\net1.exe
  • c:\windows\system32\netstat.exe
  • c:\windows\system32\reg.exe
  • c:\windows\system32\route.exe
  • c:\windows\system32\systeminfo.exe
  • c:\windows\system32\tasklist.exe
DNS Requests
  • windowsupdate.microsoft.com

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