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updater.exe

Skype

Microsoft Corporation

The executable updater.exe, “Skype Updater Service” has been detected as malware by 12 anti-virus scanners. It runs as a separate (within the context of its own process) windows Service named “Skype Updater”.
Publisher:
Skype Technologies  (signed by Microsoft Corporation)

Product:
Skype

Description:
Skype Updater Service

Version:
6.8.1.61523

MD5:
715d684b1bea15df92455683638b9b93

SHA-1:
55cd01a493c915b56b7e2d149f848609cd594770

SHA-256:
f85c00e024096797fac10576abb6560d7e3d5e436186af67cb99ab4c54692c9a

Scanner detections:
12 / 68

Status:
Malware

Analysis date:
12/25/2024 12:33:49 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Pioneer-C
160518-2

AVG
Win32/Floxif
2015.0.4568

Dr.Web
Win32.FloodFix.7
9.0.1.05190

Emsisoft Anti-Malware
Win32.Floxif
11.5.0.6191

F-Prot
W32/Floxif.B
4.6.5.141

F-Secure
Win32.Floxif.A
5.15.96

Kaspersky
Virus.Win32.Pioneer
15.0.0.562

McAfee
Trojan.Dropper-FIY!715D684B1BEA
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.223.1665.0

Norman
Win32.Floxif.A
28.05.2016 15:32:18

Sophos
Virus 'W32/Floxif-C'
5.23

File size:
244.6 KB (250,471 bytes)

Product version:
6.8

Copyright:
(c) Skype Technologies. All rights reserved.

Trademarks:
All rights reserved.

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\Program Files\skype\updater\updater.exe

Digital Signature
Signed by:
Microsoft Corporation

Authority:
Microsoft Corporation

Valid from:
3/13/2013 8:31:10 PM

Valid to:
6/13/2014 8:31:10 PM

Subject:
CN=Skype Software Sarl, OU=MOPR, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Issuer:
CN=Microsoft Code Signing PCA, O=Microsoft Corporation, L=Redmond, S=Washington, C=US

Serial number:
33000000BAC6104032D6DD18900001000000BA

File PE Metadata
Compilation timestamp:
10/23/2013 2:12:03 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:z7jlHD30GHJV2QwNgXY/MoS3zur8FYBV+UdvrEFp7hKnj:z7jlHDk4JRwl/MoS3yr1BjvrEH7sj

Entry address:
0x50C10

Entry point:
E9, 2C, 2B, FF, FF, 00, 8D, BE, 00, 40, FC, FF, 57, 89, E5, 8D, 9C, 24, 80, C1, FF, FF, 31, C0, 50, 39, DC, 75, FB, 46, 46, 53, 68, 10, E6, 04, 00, 57, 83, C3, 04, 53, 68, 03, 3C, 01, 00, 56, 83, C3, 04, 53, 50, C7, 03, 03, 00, 02, 00, 90, 90, 90, 90, 90, 55, 57, 56, 53, 83, EC, 7C, 8B, 94, 24, 90, 00, 00, 00, C7, 44, 24, 74, 00, 00, 00, 00, C6, 44, 24, 73, 00, 8B, AC, 24, 9C, 00, 00, 00, 8D, 42, 04, 89, 44, 24, 78, B8, 01, 00, 00, 00, 0F, B6, 4A, 02, 89, C3, D3, E3, 89, D9, 49, 89, 4C, 24, 6C, 0F, B6, 4A...
 
[+]

Entropy:
7.7213

Packer / compiler:
tElock 0.99 - 1.0 private

Code size:
84 KB (86,016 bytes)

Service
Display name:
Skype Updater

Service name:
SkypeUpdate

Description:
Enables the detection, download and installation of updates for Skype.

Type:
Win32OwnProcess

Depends on:
RpcSs


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