skrillex.exe

BEst inSTall TLl

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application skrillex.exe by BEst inSTall TLl 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 OutBrowse Revenyou installer. The file has been seen being downloaded from get.ddlmediakat1002.info.
Publisher:
STXXF  (signed by BEst inSTall TLl)

Product:
STXXF

Version:
5818.1574.1197.5590

MD5:
3aa5823b110a8a0caa6f9b90adb2f862

SHA-1:
f0d7ea796b73abd7902f25312ceb069a65342c09

SHA-256:
bd634a6f91bba5356d67d64f2c7e388d2c7d049bde6579a39c5006c5a77f5dcf

Scanner detections:
1 / 68

Status:
Adware

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 also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
11/27/2024 1:19:36 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.BEstinSTallTLl (M)
15.10.3.23

File size:
684.8 KB (701,240 bytes)

Product version:
5818.1574.1197.5590

Copyright:
STXXF

Trademarks:
STXXF

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

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

Digital Signature
Authority:
thawte, Inc.

Valid from:
6/30/2015 10:00:00 AM

Valid to:
1/28/2016 10:59:59 AM

Subject:
CN=BEst inSTall TLl, O=BEst inSTall TLl, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
505027BABCC52AD6A1AB7C1CB900B9B9

File PE Metadata
Compilation timestamp:
12/6/2009 9:52:12 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ToYtDRHOS6z3BGW3/TYUAqg/gitmL32X+IC5zgWv5Sfc8vy4h:TDhR+353/kqg/tsA+ICms86

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9793

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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