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7ab2163a_stp.exe

ROSTPAY LLC

The software installer program will bundle additional offers in its setup routine. The application 7ab2163a_stp.exe by ROSTPAY has been detected as a potentially unwanted program by 2 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. This version of the installer will bundle the Ask.com Toolbar, a potentially unwanted web browser extension. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from dw.uptodown.com and multiple other hosts.
Publisher:
ROSTPAY LLC  (signed and verified)

MD5:
97d3e965a97ff7189bad899a540dcb3c

SHA-1:
49fdae782a80b113fb896168e1b5105fb04359ac

SHA-256:
04de8a7a2be1e5b0a1c338aac5461e267ec2c0daeac9476f9775bab9ad75c29f

Scanner detections:
2 / 68

Status:
Potentially unwanted

Explanation:
Bundles that Ask.com toolbar as a third-party offer, a web browser extension that may modify a user's search and home pages.

Analysis date:
4/24/2024 10:50:22 AM UTC  (today)

Scan engine
Detection
Engine version

ESET NOD32
Win32/Bundled.Toolbar.Ask (variant)
8.10048

Reason Heuristics
PUP.ROSTPAY.M
14.7.5.19

File size:
14 MB (14,686,840 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\7ab2163a_stp.exe

Digital Signature
Signed by:
ROSTPAY LLC

Authority:
Thawte, Inc.

Valid from:
12/2/2012 1:00:00 AM

Valid to:
12/17/2014 12:59:59 AM

Subject:
CN=ROSTPAY LLC, OU=Software Development, O=ROSTPAY LLC, L=Rostov-on-Don, S=Russian Federation, C=RU

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

Serial number:
495CD4660DC23A429838971E58CFF10B

File PE Metadata
Compilation timestamp:
2/24/2012 8:19:59 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
393216:+xI+2cHOWeItkJzNPWdUD4WXrkl+Vc7aPkesW:+R2cHNrkJsfKXV9PkesW

Entry address:
0x39E3

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 91, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, C0, 82, 40, 00, 6A, 08, A3, B8, 2E, 47, 00, E8, 37, 2A, 00, 00, 55, 68, B4, 02, 00, 00, A3, D0, 2D, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 93, 40, 00, FF, 15, 84, 81, 40, 00, 68, 04, 93, 40, 00, 68, C0, AD, 46, 00, E8, 19, 27, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 30, 4C, 00, 57, E8, 07, 27, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
28 KB (28,672 bytes)

The file 7ab2163a_stp.exe has been seen being distributed by the following 6 URLs.

http://dw.uptodown.com/dwn/pYIAhm0-AdxCU1TXeVsK5p60JGV8Hdnu9dg_fOru_ZPfeKwo8l-Rf0mSAgS1rDuLZUp8MEGzrjJJgVCwGS88VBd03oJlvPTGd4GdY9mW4-CaYGYQ3reOW8i12FDH4wJd/8X2qM6msolmw3oDaKxvKXb1IknaEbm931D-CDODjVQrD_hYUPkCT-LJi7KoVBmCEaO2FBRTBRFlvupx1ILCqtHBs9oihV_Q1Q5jMz92efEh5_QWIHlUbYrX5x5r6Qf0Z/.../

http://dw.uptodown.com/dwn/w7hF_sR_szdZjCerahX8EUHsSqsjc8e49FqLaHponeFgBWAMLKEwhmgn-3ZVgHw24hnBv9CglmXrCBnb_CP5Nd8gsb3nblYNqP7S_WxpLfIYqforblvBFizm0CyfMlVO/HS-_MSXcxYIwXaBG9TGMZMJTe3b_LaSz-Kw_6kdlMzpf3ZITsl2KeoUTZ6zEPckF77zD3ZiwnGtu7j-hMIs0ZomWiSsqsDQ4-wh_MZFk91FYzH0aja1ourM1JuCRlPzX/.../

http://dw2.uptodown.com/dw/1446514089/.../driver-updater-2-0-0-6004-en-win.exe

http://dw7.uptodown.com/dwn/-yG5j29IPV-KWE-OCX-HBcrQv44lkGeoa4dsxdENzz8K9TZjRM-nM2kmEZCzfHjyNisbhI6fJ4UIpruU7Y3jMDcpfU_qR-2QdmhJRoBRTNYcthBr93kGmr6y9g52FUmJ/q8jNlUtL8flEiD8Y-sSuPhS-SlnoDaw1bTPGDTo5dFf6BDDQQ58ZE8_bPHnsoHHSe0RRGIrO0qC0_UMBIWhOPZoYu1WIxE2bRUhDHYgf8Z_nOnq3Qzxwm0yC8pr78B9m/.../driver-updater-2-0-0-6004-en-win.exe

http://dw1.uptodown.com/dwn/ecCzPsO8IZadFoo3dG1whxU6_vXFdLBPv9u3JML_5jWdFUbGsUoNzbp_LST8AVW_emFB3ExjhNXiUYnvDOWAyUGshBXRs_OBJ9SzoS0gtj2dZAzHUeFIBOo4MkvCUxSs/Bm4qug2qGFw_oOnCr7MloFupA4k6dtv5zJe7vD3Yrr5dWvO1elqHjXdLH5qCOGCcnDBAk9g5-TVMdmkurWxdgDpab5rDWuZS-hUfY_zgveacCmng0Q4I5DRjlsdqZ7xb/.../driver-updater-2-0-0-6004-en-win.exe

http://dw5.en.uptodown.com/dw/1421307480/.../driver-updater-2-0-0-6004-en-win.exe

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