Adware.Win32.Downware_75098bd842 – Adaware

Dynamic Analysis

Payload

No specific payload has been found.

Process activity

The Adware creates the following process(es):No processes have been created.The Adware injects its code into the following process(es):

%original file name%.exe:2264

Mutexes

The following mutexes were created/opened:No objects were found.

File activity

The process %original file name%.exe:2264 makes changes in the file system.

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

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept3.bmp (784 bytes)
%Program Files%\1ClickDownload\ocmainpack.exe (544 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\skip.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\nsDialogs.dll (21 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\save.bmp (2 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\decline.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\1clogo.bmp (4992 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept1.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept2.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nslA3AE.tmp (14947 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\inetc3.dll (812 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\anon.bmp (2 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\System.dll (23 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4ZZNMJGQ\MainPackFA2703[1].htm (544 bytes)

The Adware deletes the following file(s):

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nslA3AD.tmp (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\gC0 (0 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp (0 bytes)

Registry activity

The process %original file name%.exe:2264 makes changes in the system registry.

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

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASAPI32]
"FileDirectory" = "%windir%\tracing"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"AutoDetect" = "1"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASAPI32]
"EnableConsoleTracing" = "0"
"FileTracingMask" = "4294901760"
"MaxFileSize" = "1048576"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASMANCS]
"FileTracingMask" = "4294901760"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"UNCAsIntranet" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASMANCS]
"FileDirectory" = "%windir%\tracing"

[HKCU\Software\1ClickDownload]
"LastInstall0" = "30551019"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASMANCS]
"EnableFileTracing" = "0"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections]
"SavedLegacySettings" = "46 00 00 00 3B 00 00 00 09 00 00 00 00 00 00 00"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASMANCS]
"ConsoleTracingMask" = "4294901760"

[HKCU\Software\1ClickDownload]
"UID" = "284555269"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASMANCS]
"EnableConsoleTracing" = "0"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASAPI32]
"ConsoleTracingMask" = "4294901760"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASMANCS]
"MaxFileSize" = "1048576"

[HKLM\SOFTWARE\Microsoft\Tracing\75098bd8427ac62d0d2935a1e9839d4c_RASAPI32]
"EnableFileTracing" = "0"

Proxy settings are disabled:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyEnable" = "0"

The Adware deletes the following value(s) in system registry:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"ProxyBypass"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyOverride"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap]
"IntranetName"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings]
"ProxyServer"
"AutoConfigURL"

Dropped PE files

MD5	File path
c17103ae9072a06da581dec998343fc1	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\System.dll
9d8ce05f532dc7b5742831ec8a63c2d8	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\inetc3.dll
c10e04dd4ad4277d5adc951bb331c777	c:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\nsDialogs.dll

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):No processes have been created.
Delete the original Adware file.
Delete or disinfect the following files created/modified by the Adware:
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept3.bmp (784 bytes)
%Program Files%\1ClickDownload\ocmainpack.exe (544 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\skip.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\nsDialogs.dll (21 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\save.bmp (2 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\decline.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\1clogo.bmp (4992 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept1.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept2.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nslA3AE.tmp (14947 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\inetc3.dll (812 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\anon.bmp (2 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\System.dll (23 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\accept.bmp (784 bytes)
C:\Users\"%CurrentUserName%"\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\4ZZNMJGQ\MainPackFA2703[1].htm (544 bytes)
Clean the Temporary Internet Files folder, which may contain infected files (How to clean Temporary Internet Files folder).
Reboot the computer.

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

Static Analysis

VersionInfo

No information is available.

PE Sections

Name	Virtual Address	Virtual Size	Raw Size	Entropy	Section MD5
.text	4096	23130	23552	4.44841	0bc2ffd32265a08d72b795b18265828d
.rdata	28672	4496	4608	3.59163	f179218a059068529bdb4637ef5fa28e
.data	36864	110488	1024	3.26405	975304d6dd6c4a4f076b15511e2bbbc0
.ndata	147456	372736	0	0	d41d8cd98f00b204e9800998ecf8427e
.rsrc	520192	16592	16896	4.13874	8091b1378d82973015f802c93eb88bab

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 211
69a0a458647b3436892cf9f2f126c252
1bbd5b7272e0348684edbbea962ee5f2
1561a9303536298eeaea4ab712749930
8494573d9cde8480e3342f57b3de1911
c2f62500fc6c049cad54bfec31ab5d45
79296123cb3a983f2897ea58411de5e3
8ebc38cc84268e080308d72125e87f87
f221cfbb2bb8351b73de8c0cab165414
5fc7622692ec13a3893315fe73120b75
eb1a83a5875666814ffcec89c3ad9d23
aebda7c9ddaac919bc3f9ab3183ea289
b227a9bfb9825c2b8c59297230aaeac3
492632b789c2a9a5e35c360f5ee95780
9e2bbae241e56c984f398c5f657ea4bc
22ccc6edb6b978cf5de0a9894bab032b
fb68c49d954bcbeac53780483cb51cde
b2bf087539b9641f1a4e2f5df7930dc0
a0eeacd32ace94bb1913e15138e8e9e1
acea608203043a43077b17286f1248a0
810d1532145dcec36b117cae2bf7e911
c75f787090d58b9c7b899a784943fd31
5753bb9f093a9b5cbacd1d002761292c
275c8239d77d92054013fa788f005ad0
d9ee891e88f8a55825fa2352f0259fc3
9247257668b3ae3619a3056b68d0a48d

Network Activity

URLs

URL	IP
hxxp://data.downloadstarter.net/country.asp?st=-1&uid=284555269&tuid=3090537&sref=1CD_16_28_trze7&vmdt=\|vm\|&bld=16CJ	146.148.42.217
hxxp://files.download1click.ws/MainPackFA2703.exe	64.70.19.203

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

GET /MainPackFA2703.exe HTTP/1.1

User-Agent: NSIS_Inetc (Mozilla)

Host: files.download1click.ws

Connection: Keep-Alive

Cache-Control: no-cache

HTTP/1.1 200 OK

Server: nginx/1.6.3

Date: Fri, 21 Oct 2016 22:33:57 GMT

Content-Type: text/html; charset=ISO-8859-1

Content-Length: 544

Connection: keep-alive

<html>.<head>..<title>WEBSITE.WS - Your Internet Address For Life™</title>.</head>.<frameset rows="100%,*" border="0" frameborder="0">..<frame src="hXXps://VVV.worldsite.ws/idn-orderflow/index.dhtml?view=advanced&sponsor=idntraffic" scrolling="auto">..<noframes>...<p> Your browser does not support frames. Continue to <a href="hXXps://VVV.worldsite.ws/idn-orderflow/index.dhtml?view=advanced&sponsor=idntraffic">hXXps://www.worldsite.ws/idn-orderflow/index.dhtml?view=advanced&sponsor=idntraffic</a>.</p>..</noframes>.</frameset>.</html>HTTP/1.1 200 OK..Server: nginx/1.6.3..Date: Fri, 21 Oct 2016 22:33:57 GMT..Content-Type: text/html; charset=ISO-8859-1..Content-Length: 544..Connection: keep-alive..<html>.<head>..<title>WEBSITE.WS - Your Internet Address For Life™</title>.</head>.<frameset rows="100%,*" border="0" frameborder="0">..<frame src="hXXps://VVV.worldsite.ws/idn-orderflow/index.dhtml?view=advanced&sponsor=idntraffic" scrolling="auto">..<noframes>...<p> Your browser does not support frames. Continue to <a href="hXXps://VVV.worldsite.ws/idn-orderflow/index.dhtml?view=advanced&sponsor=idntraffic">hXXps://VVV.worldsite.ws/idn-orderflow/index.dhtml?view=advanced&sponsor=idntraffic</a>.</p>..</noframes>.</frameset>.</html>..

<<< skipped >>>

Map

The Adware connects to the servers at the folowing location(s):

Strings from Dumps

%original file name%.exe_2264:

.text

`.rdata

@.data

.ndata

.rsrc

uDSSh

.DEFAULT\Control Panel\International

Software\Microsoft\Windows\CurrentVersion

GetWindowsDirectoryA

KERNEL32.dll

ExitWindowsEx

USER32.dll

GDI32.dll

SHFileOperationA

ShellExecuteA

SHELL32.dll

RegEnumKeyA

RegCreateKeyExA

RegCloseKey

RegDeleteKeyA

RegOpenKeyExA

ADVAPI32.dll

COMCTL32.dll

ole32.dll

VERSION.dll

verifying installer: %d%%

unpacking data: %d%%

... %d%%

hXXp://nsis.sf.net/NSIS_Error

~nsu.tmp

%u.%u%s%s

RegDeleteKeyExA

%s=%s

*?|/":

ers\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\nsDialogs.dll

.magnet

ectly,John_Green_Looking_For_Alaska_[AudioBook]_rar.exe,ca

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp\nsDialogs.dll

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\nsbA3BF.tmp

M.QE*d

H%cXvE

%%8X,

Windows

F.tmp\skip.bmp", i 0, i 0, i 0, i 0x2000|0x0010) i.s

hn_Green_Looking_For_Alaska_[AudioBook]_rar.exe,ca

iles\1ClickDownload\1ClickDownloader.exe

5XU4RDGCJT3Q&note=1clickdownloader_is_NOT_downloading_any_file_directly,John_Green_Looking_For_Alaska_[AudioBook]_rar.exe,ca

284555269

41305306

427ac62d0d2935a1e9839d4c.exe

2845552

59532869

1929708805

ownload.sweetpacks.com/simsdm/bundle/

ram Files\Internet Explorer\iexplore.exe

n_Looking_For_Alaska_[AudioBook]_rar.exe

601.17514

c:\%original file name%.exe

C:\Users\"%CurrentUserName%"\Desktop

%Program Files%\1ClickDownload

nsbA3BF.tmp

%original file name%.exe

ers\"%CurrentUserName%"\AppData\Local\Temp\nslA3AD.tmp

C:\Users\"%CurrentUserName%"\AppData\Local\Temp\

hXXp://files.download1click.ws/MainPackFA2703.exe

hXXp://files.download1click.ws/gzip2.exe

hXXp://data.downloadstarter.net/

hXXp://files.download1click.ws/ARURUSetup.exe

hXXp://files.download1click.ws/ARUARSetup.exe

hXXp://files.download1click.ws/BTB0612.exe

hXXp://cdn.download.sweetpacks.com/simsdm/bundle/BundleSweetIMSetup.exe

hXXp://files.download1click.ws/FmoodsV21.exe

hXXp://files.download1click.ws/IminentSetup5.exe

hXXp://files.download1click.ws/.exe

hXXp://files.download1click.ws/weatherbugsetup.msi

hXXp://files.download1click.ws/IWantThisSetupRS.exe

hXXp://files.download1click.ws/ciuvoSetup.exe

hXXp://files.download1click.ws/incredibar_install3.exe

hXXp://download.sterkly.com/DropDownDeals-S-Setup_Suite1.exe

hXXp://download.sterkly.com/FreeTwitTube-S-Setup_Suite1.exe

hXXp://download.sterkly.com/yontoo-b2.exe

hXXp://download.sterkly.com/ezLooker-S-Setup_Suite1.exe

hXXp://download.sterkly.com/BestVideoDownloader-S-Setup_Suite2.exe

hXXp://files.download1click.ws/GophotoExtSetup.exe

hXXp://files.download1click.ws/OneClickExt1_filter03.exe

hXXp://files.download1click.ws/OneClickExt1_filter13.exe

Inetc3 (Mozilla; FW 4; WinNT 6.1; msi 5.0.7601.17514; dbw ie; yo ;)

Software\Microsoft\Windows\CurrentVersion\Uninstall\1ClickDownload

1409943333

3090537

trze7,magnet:?xt=urn:btih:MQYT4KGSTDFTB5Z6LDCE5XU4RDGCJT3Q&note=1clickdownloader_is_NOT_downloading_any_file_directly,John_Green_Looking_For_Alaska_[AudioBook]_rar.exe,ca

ocmainpack.exe

889521367

268764302

268764312

352651078

SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\

285869200

285869212

285869201

386531899

386531855

252314145

319423643

285869189

185206273

503973363

1862926919

John_Green_Looking_For_Alaska_[AudioBook]_rar.exe

30551019

VVV.oneclickdownloader.com

sbiectrl.exe

vmtoolsd.exe

prl_cc.exe

coherence.exe

VirtualBox.exe

VBoxSVC.exe

DrWeb

%Program Files%\1ClickDownload\John_Green_Looking_For_Alaska_[AudioBook]_rar.magnet

)-.Yln

Nullsoft Install System v2.46

%original file name%.exe_2264_rwx_10004000_00001000:

callback%d

Summary

Dynamic Analysis

Removals

Static Analysis

Network Activity

Map

Strings from Dumps