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Win18791drv.exe

SmartTweak Software Ltd

The application Win18791drv.exe by SmartTweak Software has been detected as a potentially unwanted program by 3 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The file has been seen being downloaded from pl.best-drivers-download.com and multiple other hosts.
Publisher:
SmartTweak Software Ltd  (signed and verified)

MD5:
16730dc871c7cdcfd0b9b42309aafa11

SHA-1:
e833436032535feb243b262717aa6f23aedede9f

SHA-256:
3a6caa9a7d406ca1871b5e3a0c8f8fb40b38529b6f65d985966f5ad707e83ebd

Scanner detections:
3 / 68

Status:
Potentially unwanted

Analysis date:
11/27/2024 4:42:46 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.DownWare
4.0.3.14222

ESET NOD32
Win32/DownWare
7.9324

Reason Heuristics
PUP.Optional.SmartTweakSoftware.L
14.2.22.0

File size:
3.3 MB (3,461,688 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\downloads\win18791drv.exe

Digital Signature
Signed by:
SmartTweak Software Ltd

Authority:
Thawte, Inc.

Valid from:
4/30/2013 5:00:00 PM

Valid to:
5/31/2015 4:59:59 PM

Subject:
CN=SmartTweak Software Ltd, OU=IT Department, O=SmartTweak Software Ltd, L=Rostov-Na-Donu, S=Rostovskaya obl., C=RU

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
7CE7DC150197DF4751AE4E90AB881CF6

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:0C5hbS1Avdm8vYOmxLg4tiR2nULcjCkYE6/m4+7w97J6/M6qoeZ/9ghRVJTcPIUk:PFfvdL+xLHqL1kh2+m7JvnyVJTTb50oV

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9950

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file Win18791drv.exe has been seen being distributed by the following 29 URLs.

http://pl.best-drivers-download.com/server.php?file=dell_xps_m1210&system=win_xp&captcha=V466CZ&server=Server EU

http://www.driverssoftwareupdates.com/download.php?file=z_tek_usb_to_serial_rs232_for_win7&system=win_seven&captcha=S5MQ72&download=US

http://www.alldrivers4devices.net/blogstat/click.php?f=http://downloads.smarttweak.us/umd/.../Drv5709xx_zip.exe&i=rv.acer_aspire_3690_bl50_drivers

http://www.alldrivers4devices.net/blogstat/click.php?f=http://downloads.smarttweak.us/umd/.../Win57791.exe&i=cuted.usa

http://www.bestdriversa.eu/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Win57791.exe&i=devicesoftware.co.uk

http://www.devicesoftware.co.uk/download.php?file=teac_camera_mx_5_500k_pixels&system=win_seven&captcha=pcd7ns&download=Download Driver

http://downloads.smarttweak.us/umd/.../Driver14865windows.exe

http://www.all-drivers-here.com/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Driver14865windows.exe&i=re.drivers-ugrader.com

http://www.drivers-ugrader.com/server.php?file=windows_7_tdc_35_digital_camera&system=win_7&captcha=R6DN99&server=Server US

http://www.alldrivers4devices.net/blogstat/click.php?i=dev-sup.posts&f=http://downloads.smarttweak.us/umd/.../Drvwin090212xx.exe

http://downloads.smarttweak.us/umd/.../Drv5709xx_zip.exe

http://www.alldrivers4devices.net/blogstat/click.php?f=http://downloads.smarttweak.us/umd/.../Drv5709xx_zip.exe&i=rv.3com_parallel_tasking_ii_driver_windows_7

http://es.drvdownload.co.uk/server.php?file=gv_650_800_s_v353&system=win_xp&captcha=HD8TW3&server=Server USA

http://www.driverssoftwareupdates.com/download.php?file=compatible_epson_tm_p103&system=win_xp&captcha=pz6vc5&download=US

http://www.driverssoftwareupdates.com/download.php?file=ntpnp_pci0020&system=win_vista&captcha=wp6mfk&download=US

http://www.alldrivers4devices.net/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Drvwin090212xx.exe&i=ud.driverssoftwareupdates.com

http://downloads.smarttweak.us/umd/.../Drvwin090212xx.exe

http://www.driverdoctor.co.uk/download.php?file=ntpnp_pci0020&system=win_vista&captcha=qdwdw7&download=Download Driver

http://www.bestdriversa.eu/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Win57791.exe&i=driverdoctor.co.uk

http://www.driverssoftwareupdates.com/download.php?file=mikomi_dc_7115_webcam_for&system=win_8&captcha=ty9jrv&download=US

http://www.alldrivers4devices.net/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Win18791drv.exe&i=ud.driverssoftwareupdates.com

http://www.nvidiadrivers.net/server.php?file=nvidia_nforce_nvefdxp_sys&system=win_xp&captcha=99RT75&server=Server USA

http://nvidiadrivers.net/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Win57791.exe&i=download

http://downloads.smarttweak.us/umd/.../Win57791.exe

http://www.driverssoftwareupdates.com/download.php?file=fnk_tech_usb_card_reader&system=win_98&captcha=YHF9QX&download=France

http://www.alldrivers4devices.net/hosestat/click.php?f=http://downloads.smarttweak.us/umd/.../Driver6485.exe&i=ud.driverssoftwareupdates.com

http://downloads.smarttweak.us/umd/.../Driver6485.exe

http://www.alldrivers4devices.net/blogstat/click.php?f=http://downloads.smarttweak.us/umd/.../Drv5709xx_zip.exe&i=rv.ic:4104a_arbxb63h_driver

http://downloads.smarttweak.us/umd/.../Win18791drv.exe

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