home

winupdate.exe

Remote Service Application

Microsoft Corp.

The executable winupdate.exe has been detected as malware by 38 anti-virus scanners. It is set to automatically start when a user logs into Windows via the current user run registry key under the display name ‘Windowsupdate’. The file has been seen being downloaded from www75.zippyshare.com.
Publisher:
Microsoft Corp.

Product:
Remote Service Application

Version:
1, 0, 0, 1

MD5:
90a7a78407cd8440803263a59d3f6d47

SHA-1:
cbcb3a199b8f90b2872ebc6e3c1b05d662f3dbec

SHA-256:
01cfa49a0dd6447038b0030f1ac5b7f32288155ebb4cc341cf41e808b1b0ed6a

Scanner detections:
38 / 68

Status:
Malware

Analysis date:
4/19/2024 4:31:03 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Trojan.Generic.KDV.651178
500

AhnLab V3 Security
Backdoor/Win32.Graybird
2013.12.19

Avira AntiVirus
BDS/DarkKomet.GR
7.11.120.110

avast!
Win32:Delf-SQI [Trj]
2014.9-150922

AVG
BackDoor.Delf
2016.0.2978

Baidu Antivirus
Backdoor.Win32.DarkKomet
4.0.3.15922

Bitdefender
Trojan.Generic.KDV.651178
1.0.20.1325

Bkav FE
W32.OnGamesLTKVPOK.Trojan
1.3.0.4613

Clam AntiVirus
WIN.Trojan.DarkKomet
0.98/18355

Comodo Security
Backdoor.Win32.Agent.XAB
17460

Dr.Web
BackDoor.Comet.884
9.0.1.0265

ESET NOD32
Win32/Fynloski.AA
9.9188

Fortinet FortiGate
W32/DarkKomet.ID!tr.bdr
9/22/2015

F-Prot
W32/Downloader.C.gen
v6.4.7.1.166

F-Secure
Trojan.Generic.KDV.651178
11.2015-22-09_3

G Data
Trojan.Generic.KDV.651178
15.9.22

IKARUS anti.virus
Trojan.Win32.CDur
t3scan.2.2.29

K7 AntiVirus
Backdoor
13.174.10560

Kaspersky
Backdoor.Win32.DarkKomet
14.0.0.1386

Malwarebytes
Backdoor.Agent.DCRSAGen
v2015.09.22.05

McAfee
Generic BackDoor.xa
5600.6634

Microsoft Security Essentials
Backdoor:Win32/Fynloski.A
1.165.247.01

MicroWorld eScan
Trojan.Generic.KDV.651178
16.0.0.795

NANO AntiVirus
Trojan.Win32.DarkKomet.clwukn
0.28.0.56692

Norman
DarkComet.F
11.20150922

nProtect
Trojan/W32.Agent.774144.HJ
13.12.18.01

Panda Antivirus
Trj/Packed.B
15.09.22.05

Quick Heal
Backdoor.Fynloski.A9
9.15.12.00

Reason Heuristics
Trojan.Backdoor.Meta (M)
15.9.22.17

Rising Antivirus
PE:Backdoor.Pontoeb!1.6637
23.00.65.15920

Sophos
Troj/Backdr-ID
4.96

SUPERAntiSpyware
Trojan.Agent/Gen-DarkKomet
9614

Total Defense
Win32/Fynloski.A!generic
37.0.10646

Trend Micro House Call
TROJ_GEN.R0C1C0EFS13
7.2.265

Trend Micro
TROJ_GEN.R0C1C0EFS13
10.465.22

Vba32 AntiVirus
Backdoor.DarkKomet
3.12.24.3

VIPRE Antivirus
Backdoor.Win32.Fynloski.A
24490

ViRobot
Backdoor.Win32.Agent.674304.A
2011.4.7.4223

File size:
756 KB (774,144 bytes)

Product version:
4, 0, 0, 0

Copyright:
Copyright (C) 1999

Original file name:
MSRSAAP.EXE

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\windows\msdcsc\winupdate.exe

File PE Metadata
Compilation timestamp:
6/7/2012 8:59:53 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
12288:V9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hk:fZ1xuVVjfFoynPaVBUR8f+kN10EBa

Entry address:
0x8F888

Entry point:
55, 8B, EC, B9, 30, 00, 00, 00, 6A, 00, 6A, 00, 49, 75, F9, 51, 53, 56, 57, B8, E0, E3, 48, 00, E8, 2F, 7E, F7, FF, 33, C0, 55, 68, 56, 06, 49, 00, 64, FF, 30, 64, 89, 20, 6A, 00, E8, 2A, 07, F8, FF, A1, B0, 48, 49, 00, C6, 00, 01, E8, 21, B7, FF, FF, B2, 01, A1, 80, DE, 48, 00, E8, 19, E6, FF, FF, A3, E8, C3, 49, 00, 33, D2, 55, 68, 09, FA, 48, 00, 64, FF, 32, 64, 89, 22, 8D, 4D, EC, BA, 70, 06, 49, 00, A1, E8, C3, 49, 00, E8, 68, E6, FF, FF, 8B, 55, EC, A1, 38, 4B, 49, 00, E8, 7F, 5C, F7, FF, 8D, 55, E0...
 
[+]

Entropy:
6.5251

Developed / compiled with:
Microsoft Visual C++

Code size:
573 KB (586,752 bytes)

Startup File (User Run)
Registry location:
HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

Name:
Windowsupdate

Command:
C:\windows\msdcsc\winupdate.exe


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

http://www75.zippyshare.com/d/4056905/.../instuction how to update 7.5 to 7.8.rar.exe

Remove winupdate.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.