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firstrow_download.exe

Tanja Matkovic

The application firstrow_download.exe by Tanja Matkovic has been detected as adware by 6 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities. The file has been seen being downloaded from www.freehdsportz-app.com.
Publisher:
Tanja Matkovic  (signed and verified)

MD5:
3aa0d5a0bffb744a56bcf82d7f3fdb56

SHA-1:
9fc8a44aba01fc1ed7ee1e6743b93938812f933f

SHA-256:
9e518de3366f4b6621d7ec73c7c327aeb1b778516e40916c041f28a65af6aa74

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
4/20/2024 2:08:06 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Yontoo.4
9.0.1.0291

Malwarebytes
PUP.Optional.OneClickDownloader.A
v2014.10.18.07

Qihoo 360 Security
Win32/Virus.Adware.47b
1.0.0.1015

Reason Heuristics
PUP.TanjaMatkovic.R
14.10.18.6

Trend Micro House Call
TROJ_GEN.F47V0122
7.2.291

VIPRE Antivirus
CoolMirage Ltd
25714

File size:
529.9 KB (542,592 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

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

Digital Signature
Signed by:
Tanja Matkovic

Authority:
Thawte, Inc.

Valid from:
5/1/2013 2:00:00 AM

Valid to:
5/2/2014 1:59:59 AM

Subject:
CN=Tanja Matkovic, OU=Individual Developer, O=No Organization Affiliation, L=Subotica, S=Subotica, C=RS

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

Serial number:
6A3131F81D52E40A00F4396C56D649C5

File PE Metadata
Compilation timestamp:
12/5/2009 11:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:DES3/4RUmuSnaNnIjwjptKAixeEjLFpVN3Rt9kYJbkcH:gS3gETjptKAupjppVN39rNk+

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file firstrow_download.exe has been seen being distributed by the following URL.

http://www.freehdsportz-app.com/.../firstrow_download.exe

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