k92baujx.exe

Eli Dahan

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The file k92baujx.exe, “Installer for SummerSoft” by Eli Dahan has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. It is also typically executed from the user's temporary directory. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
SummerSoft  (signed by Eli Dahan)

Product:
SummerSoft

Description:
Installer for SummerSoft

Version:
2013.9.24.1628

MD5:
2e9747b4bbce3ac87820fe2a1ac768c1

SHA-1:
310e4fbc870b22eebe20fc7945af5964a737b99c

SHA-256:
e3afbc0eaf2499e467b7ff7ae619643be936544ec647f98fe828014dcf12ae9e

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
12/25/2024 12:37:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.WebPick (M)
17.3.2.20

File size:
302 KB (309,232 bytes)

Product version:
1.0.0.1

Copyright:
Copyright © 2012 SummerSoft

Original file name:
TSULoader.exe

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\appdata\local\temp\k92baujx.exe.part

Digital Signature
Signed by:

Authority:
COMODO CA Limited

Valid from:
6/10/2013 2:00:00 AM

Valid to:
6/11/2014 1:59:59 AM

Subject:
CN=Eli Dahan, O=Eli Dahan, STREET=Halapid 3, L=Ramat Gan, S=Center, PostalCode=52573, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00864002C7281B93C1609931176B93A6AE

File PE Metadata
Compilation timestamp:
3/12/2013 9:51:45 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

Entry address:
0x14DB

Entry point:
55, 8B, EC, 81, EC, 2C, 06, 00, 00, 53, 56, 33, DB, 57, 66, 89, 9D, DC, FB, FF, FF, 89, 5D, F4, 89, 5D, FC, FF, 15, 74, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 70, 30, 40, 00, 8B, F8, 8D, 45, EC, 50, FF, 15, 6C, 30, 40, 00, FF, 15, 68, 30, 40, 00, 8B, F0, F7, D6, 33, F7, FF, 15, 64, 30, 40, 00, 33, F0, 8B, 45, F0, 33, 45, EC, 68, 04, 01, 00, 00, 33, F0, 8D, 85, D4, F9, FF, FF, 50, 53, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, A8, 32, 40, 00, E8, 43, FB, FF, FF...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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