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installer_adobe_flash_player_portuguese.exe

SAFe store btw

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application installer_adobe_flash_player_portuguese.exe by SAFe store btw 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. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from dv.butotiresa.com.
Publisher:
SAFe store btw  (signed and verified)

MD5:
faccfa9d0ec30ac1125699beb34a8ef7

SHA-1:
7b3535ad7cd191169f2118f7d8412cc67bcb41ad

SHA-256:
894b735f68422b7523e3b582fcfa603af8597907afdfe9cc9c81145030f7dac6

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 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
5/17/2024 1:51:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.SAFestor.Bundler (M)
16.6.21.14

File size:
568.1 KB (581,784 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:
SAFe store btw

Authority:
thawte, Inc.

Valid from:
3/7/2015 9:00:00 PM

Valid to:
1/27/2016 9:59:59 PM

Subject:
CN=SAFe store btw, O=SAFe store btw, L=Dublin, S=Dublin, C=IE

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

Serial number:
320771129CDF5E84E404CA0FEC102EE3

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:12 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:zaJHNmuukKBDMNa1MQjQL/tFlEBcvBQB/db:zajmRhBINeg/T6ZH

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...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://dv.butotiresa.com/installers/axtan_installers/get.php?ik=out&ut=c0201919f86a54905ca6ce44f5e5fbe2&aa=on/2/freesoftstorecom//&ua=msie&u=L2Rvd25sb2FkMi5mcmVlc29mdHN0b3JlMi5jb20vaW5zdGFsbGVycy9vdXQvMDA0MjIwMDQyMzAwNDI0L3BpaWQtNTUzOTUwNzhlOTBlODcuNjY2NTQ0MzIvb24vMi9mcmVlc29mdHN0b3JlY29tL3BvcnR1Z3Vlc2UvdmVsaXNtZWRpYTIvbXNpZS9hZG9iZV9mbGFzaF9wbGF5ZXIvZC8yNzU4NzZlMzRjZjYwOWRiMTE4ZjNkODRiNzk5YTc5MC9vdXQvbmEvbmEvMC9BQS9pbnN0YWxsZXJfYWRvYmVfZmxhc2hfcGxheWVyX1BvcnR1Z3Vlc2UuZXhl&p=RlJFRVNPRlRTVE9SRUNPTQ==&x=L2hvbWUvZG93bl9jcm9ucy9wdWJsaWNfaHRtbC9pbnN0YWxsZXJzL291dC9vbi8yL2ZyZWVzb2Z0c3RvcmVjb20vcG9ydHVndWVzZS92ZWxpc21lZGlhMi9tc2llL2Fkb2JlX2ZsYXNoX3BsYXllci9kLzI3NTg3NmUzNGNmNjA5ZGIxMThmM2Q4NGI3OTlhNzkwL291dC9uYS9uYS8wL0FBL2luc3RhbGxlcl9hZG9iZV9mbGFzaF9wbGF5ZXJfUG9ydHVndWVzZS5leGU=&loop=0&s=&moved=1

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