facebook-video-calling.exe

The application facebook-video-calling.exe has been detected as a potentially unwanted program by 15 anti-malware scanners. The program is a setup application that uses the Inno Setup installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the ironSource InstallCore engine to bundle additional software including toolbars and browser extensions. The file has been seen being downloaded from www.updatestar.com.
MD5:
14da08523fe248345ed38b5866146055

SHA-1:
007cbae4a4d2d03e5c3c3db5f2abc6bfc079d9bd

SHA-256:
3dbe090c1ac4676fbe292e2eb4026102896da4a07e82cf2096d1b5528aee10b3

Scanner detections:
15 / 68

Status:
Potentially unwanted

Explanation:
Uses the ironSource InstallCore download manager to install additional potentially unwanted software which may include extensions such as DealPly and various toolbars.

Analysis date:
4/19/2014 8:05:38 PM UTC  (four months ago)

Scan engine
Detection
Engine version

Agnitum Outpost
PUA.InstallCore
7.1.1

Avira AntiVir
APPL/InstallCore.AX
7.11.118.248

Bkav FE
W32.Clodeca.Trojan
1.3.0.4613

Comodo Security
Application.Win32.InstallCore.AX
17417

Dr.Web
Trojan.Packed.24524
9.0.1.0362

ESET NOD32
Win32/InstallCore.ES (variant)
7.9155

F-Prot
W32/A-42c63c6c
v6.4.7.1.166

herdProtect (fuzzy)
2013.12.28.16

K7 AntiVirus
Unwanted-Program
13.174.10469

K7 Gateway Antivirus
Unwanted-Program
13.174.10469

Malwarebytes
PUP.Optional.UpdateStar.A
v2013.12.28.04

Sophos
Install Core Installer
4.95

Trend Micro House Call
TROJ_GEN.F47V1028
7.2.362

Vba32 AntiVirus
3.12.24.3

VIPRE Antivirus
InstallCore.b
24214

File size:
607.9 KB (622,520 bytes)

File type:
Executable application (Win32 EXE)

Installer:
Inno Setup

Common path:
C:\users\user\downloads\facebook-video-calling.exe

File PE Metadata
Compilation timestamp:
6/20/1992 12:22:17 AM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:FRkLyMJfsGTtAoXzuOMjtKZ5O4dMfF1/W4OAJE3ERVer+9J:/eyMJfsstN1Hw4dM9ZWNAJEfW

Entry address:
0x98CC

Entry point:
55, 8B, EC, 83, C4, CC, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, FA, 97, FF, FF, E8, 01, AA, FF, FF, E8, 2C, CC, FF, FF, E8, 73, CC, FF, FF, E8, 0A, F3, FF, FF, E8, 71, F4, FF, FF, 33, C0, 55, 68, 76, 9F, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 2C, 9F, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, B0, 40, 00, E8, 9B, FE, FF, FF, E8, 26, FA, FF, FF, 8D, 55, F0, 33, C0, E8, E0, D0, FF, FF, 8B, 55, F0, B8, D8, BD, 40, 00, E8, AB, 98, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, D8, BD, 40, 00, B2, 01, B8...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
36 KB (36,864 bytes)

The file facebook-video-calling.exe has been seen being distributed by the following URL.

The following files closely match facebook-video-calling.exe based on a fuzzy CTPH.

12 / 68    (PUP)
7-zip.exe  [100% match]  (7add1cc1bd332859946298369ba82b909b93d34d)

11 / 68    (Adware)
icreinstall_microsoft-net-framework-client-profile.exe  [100% match]  (e60e9f1b43639ac95c1cdb52b3b9f236c9a76282)

11 / 68    (PUP)
icreinstall_updatestar.exe  [100% match]  (a587da2e86909178380335dd5a8f05c31e45d8cd)

Detection Incidence by Country