home

regsvr.exe

The executable regsvr.exe has been detected as malware by 40 anti-virus scanners. While running, it connects to the Internet address ir2.fp.vip.bf1.yahoo.com on port 80 using the HTTP protocol.
MD5:
6e6d612dcd8e92e6a9ef628a611632ae

SHA-1:
b0995d95d027269ffc4547bba56052e41369e992

Scanner detections:
40 / 68

Status:
Malware

Analysis date:
4/19/2024 9:43:18 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Worm.Sohanad.NBN
922

Agnitum Outpost
Trojan.Autoit.DX
7.1.1

AhnLab V3 Security
Trojan/Win32.CSon
2014.02.16

Avira AntiVirus
TR/Autoit.CI.14
7.11.131.238

avast!
AutoIt:AutoRun-B@BC [Wrm]
2014.9-140728

AVG
Autoit
2015.0.3400

Baidu Antivirus
Worm.Win32.AutoRun
4.0.3.14728

Bitdefender
Win32.Worm.Sohanad.NBN
1.0.20.1045

Bkav FE
W32.Clodab6.Trojan
1.3.0.4924

Clam AntiVirus
Trojan.Siggen-7
0.98/18355

Comodo Security
TrojWare.Win32.Trojan.Autoit.ci0
17794

Dr.Web
Trojan.Click1.37970
9.0.1.0209

Emsisoft Anti-Malware
Win32.Worm.Sohanad.NBN
8.14.07.28.02

ESET NOD32
Win32/Sohanad.NCB
8.9429

Fortinet FortiGate
W32/Agent.FDR!tr
7/28/2014

F-Prot
W32/Trojan2.DFYJ
v6.4.7.1.166

F-Secure
IM-Worm:W32/Sohanad.HM
11.2014-28-07_2

G Data
Win32.Worm.Sohanad.NBN
14.7.24

IKARUS anti.virus
Trojan.Autoit
t3scan.2.2.29

K7 AntiVirus
Trojan
13.175.11177

Kaspersky
Worm.Win32.AutoRun
14.0.0.3495

Malwarebytes
Trojan.IMWorm
v2014.07.28.02

McAfee
W32/Yahlover.worm
5600.7056

Microsoft Security Essentials
Worm:Win32/Nuqel.AE
1.165.247.01

MicroWorld eScan
Win32.Worm.Sohanad.NBN
15.0.0.627

NANO AntiVirus
Trojan.Win32.AutoRun.hcfwq
0.28.0.57630

Norman
Sohanad.gen5
11.20140728

nProtect
Worm/W32.Sohanad.617984
14.02.16.01

Panda Antivirus
Trj/OCJ.A
14.07.28.02

Qihoo 360 Security
Worm.Win32.FakeFolder.BV
1.0.0.1015

Quick Heal
Worm.AutoRun.A10
7.14.12.00

Rising Antivirus
PE:Malware.FakeFolder@CV!1.6AA9
23.00.65.14726

Sophos
W32/Imaut-H
4.97

SUPERAntiSpyware
Trojan.Agent/Gen-Yahlover
10457

Total Defense
Win32/Yahlover.DN
37.0.10764

Trend Micro House Call
WORM_OTOIT.SMT
7.2.209

Trend Micro
WORM_OTOIT.SMT
10.465.28

Vba32 AntiVirus
Trojan-Downloader.Autoit.gen
3.12.24.3

VIPRE Antivirus
Trojan.Win32.Generic!SB.0
26516

ViRobot
Worm.Win32.A.IM-Sohanad.511488
2011.4.7.4223

File size:
603.5 KB (617,984 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\windows\regsvr.exe

File PE Metadata
Compilation timestamp:
1/29/1987 7:38:08 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
12288:b3TdtLW5WIj1YSSdFxmkgUKBxeDDDDDdFFFFFFFZ:bDsj1dE2C

Entry address:
0xA5002

Entry point:
E8, 03, 00, 00, 00, E9, EB, 04, 5D, 45, 55, C3, E8, 01, 00, 00, 00, EB, 5D, BB, ED, FF, FF, FF, 03, DD, 81, EB, 00, 50, 0A, 00, 83, BD, 22, 04, 00, 00, 00, 89, 9D, 22, 04, 00, 00, 0F, 85, 65, 03, 00, 00, 8D, 85, 2E, 04, 00, 00, 50, FF, 95, 4D, 0F, 00, 00, 89, 85, 26, 04, 00, 00, 8B, F8, 8D, 5D, 5E, 53, 50, FF, 95, 49, 0F, 00, 00, 89, 85, 4D, 05, 00, 00, 8D, 5D, 6B, 53, 57, FF, 95, 49, 0F, 00, 00, 89, 85, 51, 05, 00, 00, 8D, 45, 77, FF, E0, 56, 69, 72, 74, 75, 61, 6C, 41, 6C, 6C, 6F, 63, 00, 56, 69, 72, 74...
 
[+]

Entropy:
7.7812  (probably packed)

Code size:
404.5 KB (414,208 bytes)

The executing file has been seen to make the following network communications in live environments.

TCP (HTTP):
Connects to ir2.fp.vip.bf1.yahoo.com  (98.139.183.24:80)

TCP (HTTP):
Connects to ir2.fp.vip.ir2.yahoo.com  (46.228.47.114:80)

TCP (HTTP):
Connects to ir1.fp.vip.ne1.yahoo.com  (98.138.253.109:80)

Remove regsvr.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.