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bestcodecspack.exe

InstallBrain Installer

Performersoft LLC

This is the Performersoft setup installer. The application bestcodecspack.exe by Performersoft has been detected as a potentially unwanted program 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 InstallBrain installer. The file has been seen being downloaded from stats-182385724-1591972470.us-east-1.elb.amazonaws.com. While running, it connects to the Internet address www.ibbalance.com on port 443.
Publisher:
InstallBrain  (signed by Performersoft LLC)

Product:
InstallBrain Installer

Version:
14,1,1,4

MD5:
4d39bf94831215f35d6b74cbec79519c

SHA-1:
82c307f355bd0338b96f69a39ee49bd70a982392

SHA-256:
b25cc456caebede3b13e6f60771341300c4914f85c346ea52ac15c6a37c8e45b

Scanner detections:
1 / 68

Status:
Potentially unwanted

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Description:
This is an installer which may bundle legitimate applications with offers for additional 3rd-party applications that may be unwanted by the user. While the installer contains an 'opt-out' feature this is not set be defult and is usually overlooked.

Analysis date:
4/19/2024 9:22:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Performersoft (M)
16.8.4.10

File size:
556.9 KB (570,304 bytes)

Product version:
14,1,1,4

Copyright:
Copyright 2011

Trademarks:
InstallBrain

File type:
Executable application (Win32 EXE)

Bundler/Installer:
InstallBrain

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

Digital Signature
Signed by:
Performersoft LLC

Authority:
GoDaddy.com, Inc.

Valid from:
6/28/2012 5:28:03 AM

Valid to:
6/28/2015 5:28:03 AM

Subject:
CN=Performersoft LLC, O=Performersoft LLC, L=Beaverton, S=OR, C=US

Issuer:
SERIALNUMBER=07969287, CN=Go Daddy Secure Certification Authority, OU=http://certificates.godaddy.com/repository, O="GoDaddy.com, Inc.", L=Scottsdale, S=Arizona, C=US

Serial number:
07DAC5F73C6773

File PE Metadata
Compilation timestamp:
7/5/2012 6:51:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:At0d4p0rQ8sv2pkunqSLyLP5v0EZESftYcNO+W0stEapZf:AqrXFyxSuP10EyONOL3Zf

Entry address:
0x107AD

Entry point:
E8, B4, 34, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 53, 8B, 5D, 08, 83, FB, E0, 77, 6F, 56, 57, 83, 3D, C8, F0, 41, 00, 00, 75, 18, E8, FF, 2C, 00, 00, 6A, 1E, E8, 49, 2B, 00, 00, 68, FF, 00, 00, 00, E8, 0D, 26, 00, 00, 59, 59, 85, DB, 74, 04, 8B, C3, EB, 03, 33, C0, 40, 50, 6A, 00, FF, 35, C8, F0, 41, 00, FF, 15, D4, A0, 41, 00, 8B, F8, 85, FF, 75, 26, 6A, 0C, 5E, 39, 05, EC, F0, 41, 00, 74, 0D, 53, E8, 22, 18, 00, 00, 59, 85, C0, 75, A9, EB, 07, E8, FF, 02, 00, 00, 89, 30, E8, F8, 02, 00, 00, 89...
 
[+]

Entropy:
7.6618

Code size:
98 KB (100,352 bytes)

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

http://stats-182385724-1591972470.us-east-1.elb.amazonaws.com/.../gk6qy?exename=BestCodecsPack&cid=3588&clickid=0010721760989248642&a=5

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

TCP (HTTP):
Connects to www.softologic.com  (174.37.181.31:80)

TCP (HTTP SSL):
Connects to www.ibbalance.com  (173.192.190.227:443)

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