adobe_reader.exe

TRUSTEd download tyy

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application adobe_reader.exe by TRUSTEd download tyy has been detected as adware by 27 anti-malware scanners. The program is a setup application that uses the OutBrowse Revenyou installer. The setup routine uses the RevenYou.Com Pay Per Install platform (OutBrowse) which bundles additional software offers inclduing toolbars, extensions, PC utilities as well as other PUPs.
Publisher:
TRUSTEd download tyy  (signed and verified)

MD5:
45ed8c027e4388bd2ec8d1c66a08b996

SHA-1:
302c793264a7fbe08a9e468175a55a5283e10c2f

SHA-256:
19d7c163af192bc8fee81e0e3dd74ee353175313dbf4178230ae9a14a01e886e

Scanner detections:
27 / 68

Status:
Adware

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

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:
11/2/2024 3:25:19 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Dropped:Trojan.GenericKD.2257945
6247898

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2015.04.01

Avira AntiVirus
W32/Virut.Gen
7.11.30.172

avast!
OutBrowse-IJ [PUP]
150319-1

Bitdefender
Dropped:Trojan.GenericKD.2257945
1.0.20.450

Dr.Web
infected with Trojan.OutBrowse.135
9.0.1.05190

Emsisoft Anti-Malware
Dropped:Trojan.GenericKD.2257945
9.0.0.4799

ESET NOD32
Win32/OutBrowse.BU potentially unwanted application
7.0.302.0

Fortinet FortiGate
Riskware/OutBrowse
3/31/2015

F-Prot
W32/OutBrowse.J (exact, not disinfectable)
4.6.5.141

F-Secure
Dropped:Trojan.GenericKD.2257945
5.13.68

G Data
Dropped:Trojan.GenericKD.2257945
15.3.25

IKARUS anti.virus
not-a-virus:AdWare.OutBrowse
t3scan.1.8.9.0

K7 AntiVirus
Riskware
13.202.15438

Kaspersky
not-a-virus:AdWare.Win32.OutBrowse
15.0.0.543

Malwarebytes
PUP.Optional.OutBrowse
v2015.03.31.10

McAfee
Program.Adware-OutBrowse.e
16.8.708.2

MicroWorld eScan
Dropped:Trojan.GenericKD.2257945
16.0.0.270

NANO AntiVirus
Trojan.Win32.Generic.dorbni
0.30.8.659

nProtect
Dropped:Trojan.GenericKD.2257945
15.03.31.01

Quick Heal
Adware.NSIS.OutBrowse.A
3.15.14.00

Reason Heuristics
PUP.Bundler.Outbrowse
15.3.31.10

Trend Micro House Call
TROJ_GE.9EF6A659
7.2.90

Trend Micro
TROJ_GE.9EF6A659
10.465.31

Vba32 AntiVirus
Adware.Outbrowse
3.12.26.3

VIPRE Antivirus
Threat.4823950
38552

File size:
615.4 KB (630,192 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Authority:
thawte, Inc.

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

Valid to:
1/27/2016 6:59:59 PM

Subject:
CN=TRUSTEd download tyy, O=TRUSTEd download tyy, L=Dublin, S=Dublin, C=IE

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

Serial number:
629FF6FCB11CAAA5C52EF71432AB5E28

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:VVH5WI0a1Xp1wvA/x30glGfFJ7U4vv48Vl0hA1o3spCDG:VVH8I0af1//F06GfFJ73vv48Vd1pw

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9484

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

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