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flvplayer.exe

VASSANA KONGSOONGNERN

This is the setup program for CoolMirage, a potentially unwanted program (PUP) that display ads on the computer. The application flvplayer.exe by VASSANA KONGSOONGNERN has been detected as adware by 11 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. The setup installer will bundle multiple adware offers during download and setup (based on the user's geographical location) including toolbars, extensions and coupon utilities. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from s1freehdsportzappcom.maynemyltf.netdna-cdn.com and multiple other hosts.
Publisher:
VASSANA KONGSOONGNERN  (signed and verified)

MD5:
acf926dd848ce2e26005e1f67a06eb39

SHA-1:
6765dd24b8ead919cb1497627a46a4472264b797

SHA-256:
1be5c1118560caf4ce9b3d908291734756278994f3349bb6e91789881ef203f3

Scanner detections:
11 / 68

Status:
Adware

Explanation:
Bundles a number of adware programs in the installer.

Analysis date:
12/28/2024 3:36:12 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/Adware.Gen
7.11.200.24

AVG
Generic
2016.0.3234

Baidu Antivirus
Adware.NSIS.Yontoo
4.0.3.1519

Dr.Web
Adware.Downware.8319
9.0.1.09

K7 AntiVirus
Adware
13.190.14585

Kaspersky
not-a-virus:AdWare.NSIS.Yontoo
14.0.0.2665

NANO AntiVirus
Trojan.Nsis.Yotoon.deckrr
0.30.0.64448

Panda Antivirus
Generic Suspicious
15.01.09.10

Reason Heuristics
PUP.VASSANAKONGSOONGNERN.J
15.1.9.22

Sophos
CoolMirage
4.98

VIPRE Antivirus
CoolMirage Ltd
36482

File size:
395.6 KB (405,104 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\flvplayer.exe

Digital Signature
Signed by:
VASSANA KONGSOONGNERN

Authority:
Thawte, Inc.

Valid from:
10/5/2014 7:00:00 PM

Valid to:
10/6/2015 6:59:59 PM

Subject:
CN=VASSANA KONGSOONGNERN, OU=Individual Developer, O=No Organization Affiliation, L=Phuket, S=Phuket, C=TH

Issuer:
CN=Thawte Code Signing CA - G2, O="Thawte, Inc.", C=US

Serial number:
7E630B1125BFC2AAB3F8750B7348F18B

File PE Metadata
Compilation timestamp:
12/5/2009 4:50:46 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
6144:zs8xfN9NP1IE5BFhR4BYkT3RQBXG6r2yW0NdJpDTysIbu2AiZtL6WEtOAd:j9N9xXLFhR4BBQV607bDTyPC/iuWGl

Entry address:
0x323C

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 58, 3F, 42, 00, E8, 09, 2C, 00, 00, A3, A4, 3E, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 58, F4, 41, 00, FF, 15, 58, 71, 40, 00, 68, B8, 91, 40, 00, 68, A0, 36, 42, 00, E8, BC, 28, 00, 00, FF, 15, B0, 70, 40, 00, BF, 00, 90, 42, 00, 50, 57, E8, AA, 28, 00, 00...
 
[+]

Entropy:
7.8567

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file flvplayer.exe has been seen being distributed by the following 2 URLs.

http://s1freehdsportzappcom.maynemyltf.netdna-cdn.com/download/.../FLVPlayer_marmar_injection_fs_large.exe

http://directddl.installdaddysa.netdna-cdn.com/download/.../FLVPlayer_marmar_injection_fs_large.exe

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