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slc_20131120.exe

Adpeak, Inc.

This is the instaler for an an Adpeak program that shows ads in the browser without providing information about the ad's origin. Ads are injected as banners or text-links in random web pages. The application slc_20131120.exe by Adpeak 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from d3emsmln8xfj03.cloudfront.net.
Publisher:
Adpeak, Inc.  (signed and verified)

MD5:
959090604bce0982ab4c2911e44d75e0

SHA-1:
70d9bb3ec2cbc416dc6b967f25dd4c62b393d1b5

SHA-256:
a084532eddda0601af247a8b53eeedc7bc07c12bf8691981e357a4d9e1fa0bcf

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Injects advertisements in the web browser in the form or banner ads and popups.

Analysis date:
4/23/2024 11:49:34 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Adpeak.Installer (M)
16.2.14.18

File size:
541 KB (553,968 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\slc_20131120.exe

Digital Signature
Signed by:
Adpeak, Inc.

Authority:
DigiCert Inc

Valid from:
7/17/2013 7:00:00 PM

Valid to:
9/24/2014 7:00:00 AM

Subject:
CN="Adpeak, Inc.", O="Adpeak, Inc.", L=Sarasota, S=Florida, C=US

Issuer:
CN=DigiCert High Assurance Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
0E4C86026B3F1F3BDBEDF4DA58E8FF09

File PE Metadata
Compilation timestamp:
7/14/2013 3:09:53 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ziMO5C0cKDpdh4RphM6H/jpiQa/dFWmTzjFuV+u2nETUo89vHRnR+/E:VO5ncKDqR06Gl9TzjFEMvZR+/E

Entry address:
0x31DD

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 14, C7, 44, 24, 10, D8, A2, 40, 00, 89, 6C, 24, 1C, FF, 15, 34, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, 34, 81, 40, 00, 55, FF, 15, AC, 82, 40, 00, 6A, 08, A3, 58, 4F, 43, 00, E8, 95, 2E, 00, 00, A3, A4, 4E, 43, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, B8, B1, 42, 00, FF, 15, 7C, 81, 40, 00, 68, C0, A2, 40, 00, 68, A0, 3E, 43, 00, E8, 00, 2B, 00, 00, FF, 15, 38, 81, 40, 00, BB, 00, F0, 43, 00, 50, 53, E8, EE, 2A, 00, 00...
 
[+]

Entropy:
7.9724

Packer / compiler:
Nullsoft install system v2.x

Code size:
24.5 KB (25,088 bytes)

The file slc_20131120.exe has been seen being distributed by the following URL.

http://d3emsmln8xfj03.cloudfront.net/bundles/.../SLC_20131120.exe

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