home

skype.exe

The application skype.exe has been detected as a potentially unwanted program by 14 anti-malware scanners. The program is a setup application that uses the installCore installer, however the file is not signed with an authenticode signature from a trusted source. The setup program uses the InstallCore engine which may bundle additional software offers including toolbars and browser extensions. The file has been seen being downloaded from www.winstally.com.
MD5:
e1047e15a920790dd1c0ccf0318a0798

SHA-1:
03ab0992a23443b47af1fed248840546a58b9443

SHA-256:
c076e3b9ea9e0b5e466ca5159224831c9ea38a798e6b1f78ed33049cc484cd28

Scanner detections:
14 / 68

Status:
Potentially unwanted

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

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:
4/20/2024 4:58:14 AM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
ADWARE/InstallCore.Gen7
7.11.128.140

Dr.Web
Adware.InstallCore.133
9.0.1.0252

ESET NOD32
Win32/InstallCore.FJ (variant)
9.9190

F-Prot
W32/InstallCore.R.gen
v6.4.7.1.166

herdProtect (fuzzy)
variant of icreinstall_mozilla_firefox.exe (Adware)
2015.9.9.8

Malwarebytes
PUP.Optional.InstallCore
v2015.08.04.01

McAfee
Artemis!97AA61214EC2
5600.6684

Qihoo 360 Security
Win32/Virus.Adware.94c
1.0.0.1015

Reason Heuristics
PUP.InstallCore.Bundler (M)
15.8.4.1

Rising Antivirus
PE:Malware.XPACK-LNR/Heur!1.5594
23.00.65.15802

SUPERAntiSpyware
PUP.InstallCore/Variant
9713

Trend Micro House Call
TROJ_GEN.F47V1216
7.2.216

Vba32 AntiVirus
Downware.InstallCore
3.12.24.3

VIPRE Antivirus
InstallCore.b
24838

File size:
652.8 KB (668,416 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

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

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:DgyMJfsGfPWvFgp8MWQYboXKubm43wKdExU+XBRrGFzvGCdmwAs7h/1nCkAmdLbo:8yMJfsyPqK3y7HxUue9GCUe/1nC2to

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...
 
[+]

Entropy:
7.8380

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

Code size:
36 KB (36,864 bytes)

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

http://www.winstally.com/download/.../?id=1&cert_id=&lp=ac

Remove skype.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.